[ { "id":"143765-21893986", "datetime_modified":"20260209T103905", "datetime_start":"20260211T130000", "datetime_end":"20260211T140000", "has_end_time":1, "date_start":"2026-02-11", "date_end":"2026-02-11", "time_start":"13:00:00", "time_end":"14:00:00", "time_zone":"America\/Detroit", "event_title":"HET Brown Bag Seminar | Maximizing the Interaction Strength", "occurrence_title":"", "combined_title":"HET Brown Bag Seminar | Maximizing the Interaction Strength: Miguel Correia (McGill)", "event_subtitle":"Miguel Correia (McGill)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"QCD remains intractable in the high-energy soft regime, where all standard methods break down. This regime governs total hadronic cross-sections, which have long been observed to grow with energy, a phenomenon that is still very poorly understood today. In this talk, I will argue that the modern S-matrix bootstrap provides a systematic way to tackle this regime of QCD. I will derive an upper bound on the total cross-section at finite energy and present the strongest interacting amplitude that the bootstrap outputs. I will compare these results with proton\u2013proton experimental data.", "occurrence_notes":null, "guid":"143765-21893986@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/143765", "building_id":"1000208", "building_name":"Randall Laboratory", "building_official_id":1000208, "campus_maps_id":"133", "campus_maps_link_path":"harrison-m-randall-laboratory", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/harrison-m-randall-laboratory", "room":"3481", "location_name":"Randall Laboratory", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Leinweber Institute for Theoretical Physics", "group_id":"4286", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" }, { "group_name":"HET Brown Bag Series", "group_id":"3805", "website":"" }, { "group_name":"Leinweber Institute for Theoretical Physics Seminars", "group_id":"4311", "website":"" }, { "group_name":"Leinweber Institute for Theoretical Physics Brown Bag Seminars", "group_id":"4865", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/143765\/qrcode.png", "occurrence_count":1, "first_occurrence":21893986 } , { "id":"144832-21895993", "datetime_modified":"20260130T095013", "datetime_start":"20260211T130000", "datetime_end":"20260211T140000", "has_end_time":1, "date_start":"2026-02-11", "date_end":"2026-02-11", "time_start":"13:00:00", "time_end":"14:00:00", "time_zone":"America\/Detroit", "event_title":"Interdisciplinary QC-CM Seminar | Strong Terahertz electrodynamics in emergent 2D materials", "occurrence_title":"", "combined_title":"Interdisciplinary QC-CM Seminar | Strong Terahertz electrodynamics in emergent 2D materials: Jun Xiao (University of Wisconsin Madison)", "event_subtitle":"Jun Xiao (University of Wisconsin Madison)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Terahertz (THz) sensing and imaging are critical in both quantum information technology and biomedical sensing because THz frequencies (0.1-10 THz) resonate with key low-energy information carriers (e.g., coherent phonons and magnons) in quantum materials and molecular vibrations in biological matter (e.g., skin tumor tissues and blood cells). In addition, materials with THz response are essential building blocks for the next generation telecommunication technology. However, the widespread use of THz technology has long been hindered by a lack of materials with strong THz light-matter interactions for high-performance devices.\n\nIn this talk, I will present our recent advances in two-dimensional (2D) quantum materials to overcome these limitations by leveraging their unique topological properties and exploiting the resulting strong light-matter interactions. One remarkable example is the recently discovered nonlinear Hall effect (NHE) in 2D topological semimetals, mediated by their diverging quantum geometrical properties [1-3]. In the first part of the talk, I will report how we use this new notion to demonstrate the long-sought THz sensing metrics [4]. Specifically, we have experimentally studied the unique interplay among the quantum geometrical properties, gate-tunable electron correlation and THz electrodynamics in atomically thin topological semimetals TaIrTe 4 . Building upon the nonlinear Hall effect as a new mechanism for THz rectification, we have observed a large zero-bias responsivity (~ 0.3 A\/W), ultralow NEP (~pW\/Hz 1\/2 ), broadband THz response (0.1 to 10 THz) and ultrafast intrinsic speed (~ ps) at room temperature. The device performance can be further enhanced by introducing gate-tunable electron correlations. Thanks to the new topological physics and strong electron correlation, the demonstrated device metrics show tremendous advantages over the attainable THz detectors based on other 2D materials and conventional technology. Beyond light probing, the rich interplay physics in this platform also allows using light to induce more exotic order. If time permits, I may present our ongoing efforts along this way.\n\nDetecting terahertz waves is only one half of the equation, in the second half of the talk, I will introduce our report of colossal THz emission from a van der Waals (vdW) ferroelectric semiconductor NbOI 2 [5]. Using THz emission spectroscopy, we observe a THz generation efficiency that is an order of magnitude higher than that of ZnTe. We uncover the underlying generation mechanisms tied to its substantial ferroelectric polarization by investigating the dependence of THz emission on excitation wavelength, incident polarization and fluence. Leveraging the long-lived coherent ferron-mediated THz emission, we further demonstrate the ultrafast coherent amplification and annihilation of the THz emission and associated coherent ferron oscillations by using an ultrafast double-pump scheme.\n\nReferences:\n\n[1] Q. Ma et al., Nature 565, 337 (2019).\n[2] K. Kang et al., Nature Materials 18, 324 (2019).\n[3] J. Xiao et al., Nature Physics 16, 1028 (2020).\n[4] T. Xi et al., Nature Electronics 8, 578 (2025).\n[5] S. Subedi et al., Advanced Optical Materials 13, 2403471 (2025).\n\nShort Bio:\u00a0\nDr. Xiao is an assistant professor in the Department of Materials Science and Engineering at the University of Wisconsin-Madison from August 2021. Prior to joining Madison, Dr. Jun Xiao worked as a postdoctoral scholar with Prof. Aaron Lindenberg and Prof. Tony Heinz at Stanford University and SLAC National Accelerator Laboratory. He earned his Ph.D. in applied science and technology from UC Berkeley (2018) under Prof. Xiang Zhang\u2019s supervision. He received his bachelor\u2019s degree in physics from Nanjing University (2012). His research experience and interests focus on structure-property relationships and light-matter interactions in 2D quantum materials for robust quantum computing, efficient energy conservation and high-performance THz optoelectronics. His findings are published in many high-impact journals including Nature, Science, Nature Physics, Nature Nanotechnology, Nature Electronics and Physical Review Letters. He is the recipient of the 2023 NSF CAREER Award.", "occurrence_notes":null, "guid":"144832-21895993@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/144832", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Interdisciplinary QC\/CM Seminars", "group_id":"3811", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/01\/event_144832_original-1.png", "image_description":"Prof. Jun Xiao, University of Wisconsin Madison", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/01\/event_144832_original-1.png", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/01\/event_144832_original-1.png", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/01\/event_144832_original-1.png", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/01\/event_144832_original-1.png", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/01\/event_144832_original-1.png", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/01\/event_144832_original-1.png", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/01\/event_144832_original-1.png", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/01\/event_144832_original-1.png", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/01\/event_144832_original-1.png", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/01\/event_144832_original-1.png", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/01\/event_144832_original-1.png", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/01\/event_144832_original-1.png", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/01\/event_144832_original-1.png", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/01\/event_144832_original-1.png", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/01\/event_144832_original-1.png" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/144832\/qrcode.png", "occurrence_count":1, "first_occurrence":21895993 } , { "id":"145065-21896611", "datetime_modified":"20260211T094327", "datetime_start":"20260211T150000", "datetime_end":"20260211T160000", "has_end_time":1, "date_start":"2026-02-11", "date_end":"2026-02-11", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"CANCELLED - Department Colloquium | Is there Another Earth?", "occurrence_title":"", "combined_title":"CANCELLED - Department Colloquium | Is there Another Earth?: Michael Meyer (U-M Astronomy)", "event_subtitle":"Michael Meyer (U-M Astronomy)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Most stars in our galaxy have one or more planets orbiting them. Their diversity is astounding, with observed bulk densities ranging over a factor of 100. Yet there is only one planet that is confirmed to sustain life as we know it: our own. Current searches for life on planets around other stars planned with next generation ground- and space-based telescopes seek identical twins of Earth. How likely is it that we will find one and detect unambiguous signs of life around it? Perhaps the only thing harder than proving a planet hosts life is proving that it doesn\u2019t. We are beginning to understand which aspects of the Solar System make Earth a suitable place for the biochemical origins of life, as well as assessing how common such systems are. With new instruments such as the CGI on NASA\u2019s Roman Space Telescope (launching this year), as well as METIS on the European Southern Observatories 39-meter ELT (with first light planned for 2029), we can detect small planets in both reflected light as well as thermal emission around stars like the Sun. This enables resolution of the radius-albedo ambiguity, determination of its energy budget, and the search for an active greenhouse effect, with the possibility of identifying the responsible molecules in the spectra of its atmosphere. Doing this for even a small sample of systems will yield fundamental insights into these diverse atmospheres, confronting our theories of planet formation and evolution. These could be necessary steps to understanding potential biosignatures in these atmospheres and ultimately help answer the question \u201cAre we alone?\u201d.", "occurrence_notes":null, "guid":"145065-21896611@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145065", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Department Colloquia", "group_id":"3804", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/145065\/qrcode.png", "occurrence_count":1, "first_occurrence":21896611 } , { "id":"142384-21890779", "datetime_modified":"20260122T014447", "datetime_start":"20260212T110000", "datetime_end":"20260212T120000", "has_end_time":1, "date_start":"2026-02-12", "date_end":"2026-02-12", "time_start":"11:00:00", "time_end":"12:00:00", "time_zone":"America\/Detroit", "event_title":"Quantum Research Institute | Towards Quantum Control and Sensing with 227ThO Molecules and Other Radioactive Molecules for Fundamental Symmetry Test", "occurrence_title":"", "combined_title":"Quantum Research Institute | Towards Quantum Control and Sensing with 227ThO Molecules and Other Radioactive Molecules for Fundamental Symmetry Test: Xing Wu (Michigan State University)", "event_subtitle":"Xing Wu (Michigan State University)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"In-Person: West Hall 411\nZoom: https:\/\/umich.zoom.us\/j\/99497477868?jst=2\n\nAbstract:\nThe Standard Model of particle physics accurately describes all fundamental particles discovered so far. However, it is unable to address two great mysteries in physics, the nature of dark matter and why matter dominates over antimatter throughout the Universe. Novel theories beyond the Standard Model may explain these phenomena. These models predict very massive particles whose interactions violate time-reversal (T) symmetry and would give rise to an electric dipole moment (EDM) along the spin of electron and nucleon. Thus, searching for EDM provides a powerful probe to these new physics and sheds light on the mystery of the matter-antimatter asymmetry of the Universe. \nThis talk outlines the roadmap to establish a new generation EDM measurement at Michigan State that can outperform the current generation of precision measurements testing hadronic T-violations. We report our ongoing effort at Facility for Rare Isotope Beams (FRIB) to perform quantum control and sensing of 227ThO molecules and other radioactive molecules. These pave the way for quantum-enhanced test of fundamental symmetry, projecting to constrain T-violating new physics in 10~100 TeV energy range, exceeding what the Large Hadron Collider and its future upgrade could probe.\n\nBio:\nBorn in Hefei, China, I embarked on an international academic journey that took me from Singapore where I spent my undergraduate to Munich, Germany, where I earned both my MS and PhD. While my academic focus stays in physics, my true passion lies in the exploration of diverse fields, driven by curiosity. During my doctoral studies at the Technical University of Munich and the Max Planck Institute of Quantum Optics, I pioneered a nonconventional technique leveraging centrifugal force to decelerate molecular beams to a complete standstill.\n\nMy academic journey led me to Harvard University, where I delved into precision molecular spectroscopy, contributing to the investigation of fundamental symmetries in nature. Notably, I achieved a groundbreaking milestone by measuring the most precise bound on the electron electric dipole moment, utilizing cold Thorium Monoxide molecules as a quantum sensor.\n\nCurrently based at FRIB and MSU, I am at the forefront of building a groundbreaking precision spectroscopy experiment. This initiative aims to synergize the rare isotope resources at FRIB with cutting-edge quantum technology in atomic and laser physics. The goal is to push the boundaries of fundamental symmetry testing, marking a significant contribution to the field and further advancing our understanding of the physical universe.", "occurrence_notes":"https:\/\/umich.zoom.us\/j\/99497477868?jst=2", "guid":"142384-21890779@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/142384", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"411", "location_name":"West Hall", "has_livestream":1, "livestream_type":"zoom", "livetream_require_login":0, "livestream_id":"994974778682", "livestream_link":"https:\/\/umich.zoom.us\/j\/994974778682", "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Quantum Research Institute", "group_id":"5043", "website":"" }, { "group_name":"Department of Astronomy", "group_id":"1178", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" }, { "group_name":"Electrical and Computer Engineering", "group_id":"3153", "website":"http:\/\/www.ece.engin.umich.edu" }, { "group_name":"Computer Science and Engineering Division", "group_id":"3197", "website":"http:\/\/cse.umich.edu" }, { "group_name":"Applied Physics", "group_id":"3606", "website":"" }, { "group_name":"Department of Chemistry", "group_id":"3761", "website":"https:\/\/lsa.umich.edu\/chem" }, { "group_name":"Materials Science and Engineering", "group_id":"3942", "website":"" }, { "group_name":"Quantum Research Institute", "group_id":"5034", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "image_description":"Seminar Flyer", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/01\/event_142384_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/01\/event_142384_original-1.jpg" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/142384\/qrcode.png", "occurrence_count":1, "first_occurrence":21890779 } , { "id":"145168-21896754", "datetime_modified":"20260210T094456", "datetime_start":"20260217T220000", "datetime_end":"20260217T230000", "has_end_time":1, "date_start":"2026-02-17", "date_end":"2026-02-17", "time_start":"22:00:00", "time_end":"23:00:00", "time_zone":"America\/Detroit", "event_title":"Thriving in STEM | \"Art of the Heart\" Book Discussion", "occurrence_title":"Thriving in STEM | \"Art of the Heart\" Book Request Deadline", "combined_title":"Thriving in STEM | \"Art of the Heart\" Book Discussion: Dr. Jay H. Kleiman and Mrs. Georgi Kleiman: Thriving in STEM | \"Art of the Heart\" Book Request Deadline", "event_subtitle":"Dr. Jay H. Kleiman and Mrs. Georgi Kleiman", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"WHAT IS THE MISSING LINK IN TODAY'S MEDICAL CARE DELIVERY?\n\nMedical school training has historically relied on the biological sciences, and their application, for diagnosis and treatment, with technology an adjunct to care. Although many major medical schools now incorporate \u201cdoctoring\u201d into their curriculum, traditional medical training lacked an emphasis on the psycho-social aspects of the doctor-patient relationship.\n\nJoin the \u201cArt of the Heart: The Doctor-Patient Partnership\u201d book discussion to explore the solution as author, Jay H. Kleiman, M.D., recounts the profound career moments that define the doctor-patient partnership, illuminating the path toward preventing physician burnout.\u00a0\n\nHOW DO I GET THE BOOK?\n\nBook copies\u00a0are available on Amazon for $10, in both paperback and Kindle versions (and free for students with Kindle Unlimited).\u00a0 If you need financial assistance purchasing the book, complete this\u00a0GoogleForm\u00a0(myumi.ch\/z98zn) by\u00a0Tuesday, February 17\u00a0to\u00a0have a copy provided for you.\u00a0\n\nWHAT CAN I EXPECT AT THE BOOK DISCUSSION EVENT?\n\nA virtual Book Discussion will be held on Wednesday, March 11 from 5 - 6 PM\u00a0with the author, Jay H. Kleiman, M.D., and his wife, Georgi.\u00a0 This will provide you the opportunity to directly engage with the author and his spouse to learn from their lived experiences.\u00a0 A set of discussion prompts and questions is available to view in advance; however, live questions from participants are highly encouraged.", "occurrence_notes":"THIS EVENT IS TO HIGHLIGHT THE DEADLINE TO REQUEST ASSISTANCE IN SECURING THE BOOK How do I get the book? Book copies are available on Amazon for $10, in both paperback and Kindle versions (and free for students with Kindle Unlimited). If you need financial assistance purchasing the book, complete this GoogleForm (myumi.ch\/z98zn) by Tuesday, February 17 to have a copy provided for you.", "guid":"145168-21896754@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145168", "building_id":"", "building_name":"Off Campus Location", "building_official_id":null, "campus_maps_id":"1", "campus_maps_link_path":"", "campus_maps_link":"", "room":"", "location_name":"Off Campus Location", "has_livestream":0, "cost":"", "tags":["physics"], "website":"https:\/\/sessions.studentlife.umich.edu\/p\/track\/16519", "links":[ { "type":"sessions", "url":"https:\/\/sessions.studentlife.umich.edu\/p\/track\/16519", "title":"Register On Sessions @ Michigan" }, { "type":"instagram", "url":"https:\/\/www.instagram.com\/umich.slc\/", "title":"\"Art of the Heart\" Book Discussion" } ], "sponsors":[ { "group_name":"Sessions @ Michigan", "group_id":"4791", "website":"https:\/\/sessions.studentlife.umich.edu\/" }, { "group_name":"University Career Center UCC", "group_id":"1140", "website":"http:\/\/careercenter.umich.edu" }, { "group_name":"Science Learning Center", "group_id":"2328", "website":"" }, { "group_name":"Newnan LSA Academic Advising Center", "group_id":"3721", "website":"" }, { "group_name":"Women in Science and Engineering (WISE) Program", "group_id":"3737", "website":"http:\/\/wise.umich.edu" }, { "group_name":"Program in Biology", "group_id":"3783", "website":"" }, { "group_name":"HSSP", "group_id":"3787", "website":"" }, { "group_name":"WISE Residence Program", "group_id":"3792", "website":"" }, { "group_name":"Newnan LSA Pre-Health", "group_id":"4049", "website":"" }, { "group_name":"LSA Transfer Student Center", "group_id":"4442", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "image_description":"Book Cover that reads \"The Doctor-Patient Partnership; Art of the Heart; Jay H. Kleiman, M.D.\" accompanied by the image of a human heart with roses intertwined through it.", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/02\/event_145168_original-1.jpg" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/145168\/qrcode.png", "occurrence_count":2, "first_occurrence":21896754 } , { "id":"143132-21892189", "datetime_modified":"20260217T111612", "datetime_start":"20260218T130000", "datetime_end":"20260218T140000", "has_end_time":1, "date_start":"2026-02-18", "date_end":"2026-02-18", "time_start":"13:00:00", "time_end":"14:00:00", "time_zone":"America\/Detroit", "event_title":"HET Brown Bag Seminar | Bulk Locality from Infrared Entanglement", "occurrence_title":"", "combined_title":"HET Brown Bag Seminar | Bulk Locality from Infrared Entanglement: Gautam Satishchandran (Princeton)", "event_subtitle":"Gautam Satishchandran (Princeton)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"For quantum field theories coupled to any massless fields, one generally encounters \u201cIR divergences\u201d which arise due to the fact that the asymptotic description of the state contains an infinite number of soft radiative quanta. These quanta have recently gained interest due to their connections to unitarity, asymptotic symmetries and the memory effect. However, for the description of any bulk experiment, these quanta are generally viewed as a nuisance with little physical relevance for the predictions of any bulk, finite time observable.\n\nIn this talk, I will explain that this is not the case. In fact, the situation is quite the opposite: all local physical observables and phenomena depend on the entanglement and absorption of soft radiation. I will explain (1) how this phenomenon arises and (2) why it was missed in the literature and (3) why this result agrees with the predictions of collider experiments. I will primarily focus on the case of QED with and will comment on the analogous issues in QED with massless electrons, Yang-Mills theories and Quantum Gravity.", "occurrence_notes":null, "guid":"143132-21892189@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/143132", "building_id":"1000208", "building_name":"Randall Laboratory", "building_official_id":1000208, "campus_maps_id":"133", "campus_maps_link_path":"harrison-m-randall-laboratory", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/harrison-m-randall-laboratory", "room":"3481", "location_name":"Randall Laboratory", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Leinweber Institute for Theoretical Physics", "group_id":"4286", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" }, { "group_name":"HET Brown Bag Series", "group_id":"3805", "website":"" }, { "group_name":"Leinweber Institute for Theoretical Physics Seminars", "group_id":"4311", "website":"" }, { "group_name":"Leinweber Institute for Theoretical Physics Brown Bag Seminars", "group_id":"4865", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/143132\/qrcode.png", "occurrence_count":1, "first_occurrence":21892189 } , { "id":"145023-21896558", "datetime_modified":"20260204T075230", "datetime_start":"20260218T150000", "datetime_end":"20260218T160000", "has_end_time":1, "date_start":"2026-02-18", "date_end":"2026-02-18", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"Department Colloquium | The Final Fermilab muon g-2 result", "occurrence_title":"", "combined_title":"Department Colloquium | The Final Fermilab muon g-2 result: Tim Chupp (U-M Physics)", "event_subtitle":"Tim Chupp (U-M Physics)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"The muon magnetic moment anomaly arises due to quantum interactions of muons and the vacuum, mostly due to quantum electrodynamics (QED), but with contributions from ALL Standard Model interactions as well as Beyond-Standard-Model physics. The Fermilab muon g-2 experiment employed a 50m circumference 1.45 T magnetic storage ring and measured the precession of muons with respect to the momentum of the cyclotron orbits for six years. The precision of the final Fermilab result, 127 ppb, combines statistically limited measurement of the muon precession and measurement of the magnetic field averaged over the muon storage volume employing novel magnetometry and analysis techniques developed at UM. The Standard Model calculation, based on known physics, is confounded by the strong interaction and has incorporated new approaches based on Lattice Gauge Theory. Experiment and theory are currently consistent, though the theory uncertainty has gotten worse while the experimental uncertainty has improved. In this talk I will tell the story of this precision measurement.", "occurrence_notes":null, "guid":"145023-21896558@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145023", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Department Colloquia", "group_id":"3804", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/145023\/qrcode.png", "occurrence_count":1, "first_occurrence":21896558 } , { "id":"143572-21893406", "datetime_modified":"20260109T094551", "datetime_start":"20260218T151000", "datetime_end":"20260218T161000", "has_end_time":1, "date_start":"2026-02-18", "date_end":"2026-02-18", "time_start":"15:10:00", "time_end":"16:10:00", "time_zone":"America\/Detroit", "event_title":"MIPSE Seminar | Extreme Matters, Pressure to Explore New Worlds, Exotic Solids, and Star Power", "occurrence_title":"", "combined_title":"MIPSE Seminar | Extreme Matters, Pressure to Explore New Worlds, Exotic Solids, and Star Power: Prof. Gilbert \u201cRip\u201d Collins, University of Rochester", "event_subtitle":"Prof. Gilbert \u201cRip\u201d Collins, University of Rochester", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"Abstract: \r\nA science revolution is underway with the discovery of thousands of planets outside of our solar system, the creation of revolutionary materials, and the potential for harnessing fusion energy. Unlocking these discoveries hinges on our ability to understand and manipulate matter to and beyond atomic pressures, conditions that alter the nature of atoms themselves. At such conditions our intuition for matter begins to breakdown, with hydrogen becoming a metal and perhaps a superconducting super-fluid, water becoming superionic where protons flow through a compact oxygen crystal, and unbound electrons getting squeezed interior to core orbitals of an atom. I will show how laboratory laser experiments are opening this science frontier at light speed, revealing how we might make transparent aluminum-like in Star Trek, a new exploration into the nature and implications of planets-potential platforms for life throughout the universe, and controlled thermonuclear fusion. You might take a look at one of our videos as a primer to our discussion: https:\/\/www.youtube.com\/watch?v=NqabT21d8VM\r\n\r\nAbout the Speaker: \r\nGilbert \u2018Rip\u2019 Collins is Tracy Hyde Harris Professor of Mechanical Engineering and Physics and Astronomy, and Associate Director for the Laboratory for Laser Energetics at the University of Rochester. He received his Ph.D. in Physics from Ohio State University. From 1989 to 2016, he held positions at Lawrence Livermore National Laboratory, including Group Leader, Physics Associate Division Leader, Director for the Center for High Energy Density Physics, and Distinguished Member of the Technical Staff. Rip works with a world-class team of scientists exploring the nature and implications of matter at conditions where external forces overwhelm the quantum forces of the atom and the microphysics leading to thermonuclear fusion. He is the Director of the NSF Physics Frontier Center for Matter at Atomic Pressures. He holds visiting Professorships at Oxford University and the University of Edinburgh. He is a recipient of the Bridgman Award, APS Fellow, AAAS Fellow, APS Award for Excellence in Plasma Physics, DOE Weapons Recognition of Excellence Award, NNSA Award for Excellence for Stockpile Stewardship Program, and NNSA Science and Technology Award.\r\n\r\nThis seminar is free and open to the public. It will be conducted in person and on Zoom, please check MIPSE website for details: https:\/\/mipse.umich.edu\/seminars_2526.php", "occurrence_notes":null, "guid":"143572-21893406@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/143572", "building_id":"1000448", "building_name":"Electrical Engineering and Computer Science Building", "building_official_id":1000448, "campus_maps_id":"56", "campus_maps_link_path":"electrical-engineering-and-computer-science-bld", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/electrical-engineering-and-computer-science-bld", "room":"1003", "location_name":"Electrical Engineering and Computer Science Building", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"https:\/\/mipse.umich.edu\/seminars_2526.php", "links":[ { "type":"other", "url":"https:\/\/mipse.umich.edu\/seminars_2526.php", "title":"Michigan Institute for Plasma Science and Engineering" } ], "sponsors":[ { "group_name":"Michigan Institute for Plasma Science and Engineering (MIPSE)", "group_id":"4073", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "image_description":"Prof. Gilbert Collins", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/01\/event_143572_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/01\/event_143572_original-1.jpg" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/143572\/qrcode.png", "occurrence_count":1, "first_occurrence":21893406 } , { "id":"145390-21897228", "datetime_modified":"20260219T091800", "datetime_start":"20260220T120000", "datetime_end":"20260220T130000", "has_end_time":1, "date_start":"2026-02-20", "date_end":"2026-02-20", "time_start":"12:00:00", "time_end":"13:00:00", "time_zone":"America\/Detroit", "event_title":"Life After Grad School Seminars | I\u2019m no expert \u2013 embracing the dynamics of industrial research", "occurrence_title":"", "combined_title":"Life After Grad School Seminars | I\u2019m no expert \u2013 embracing the dynamics of industrial research: Dr. Joel McDonald, Technical Director for Dow's Mobility Science Segment and Applied Physics Alumnus 2007", "event_subtitle":"Dr. Joel McDonald, Technical Director for Dow's Mobility Science Segment and Applied Physics Alumnus 2007", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"You are an expert. At this moment, as a University of Michigan graduate student, you may be in fact, amongst the world\u2019s experts in your field. It took hard work to get there \u2013 hours in the classroom, more hours in the lab \u2013 physical or virtual. Here you are \u2013 at the top of your game. Then you get a job in industry, and your first project \u2013 and it has very little to do with your expertise. It can be alarming and disarming. And it can be the start of an incredible ride and fulfilling career. In this edition of the Life After Graduate School seminar series, Joel will review how adaptability and agility have brought him opportunities he never imagined, and satisfaction he celebrates daily.\n\nBio: Joel McDonald is the Technical Director for Dow\u2019s MobilityScience segment, where he leads Dow\u2019s efforts to deliver innovative solutions to automakers and their suppliers worldwide. He has held a variety of technical and strategy leadership positions at Dow over the 16 years of his career, with a particular emphasis on battery materials, electronics, and coatings. Before Dow, Joel was a Senior Member of the Technical Staff at Sandia National Labs in New Mexico, where he explored fundamental reaction kinetics in energetic materials. Joel completed his PhD in Applied Physics at the University of Michigan in 2007 under the advisement of Prof. Steven Yalisove, where his dissertation focused on the interaction between ultrashort pulsed lasers and materials. A native of Michigan, Joel enjoys traveling adventures with his wife and two children, fishing the local rivers and streams with his dad and bud", "occurrence_notes":null, "guid":"145390-21897228@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145390", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"267B", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Life After Grad School Seminars LAGS", "group_id":"3807", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" }, { "group_name":"Applied Physics", "group_id":"3606", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/145390\/qrcode.png", "occurrence_count":1, "first_occurrence":21897228 } , { "id":"145499-21897437", "datetime_modified":"20260219T173741", "datetime_start":"20260221T180000", "datetime_end":"20260221T200000", "has_end_time":1, "date_start":"2026-02-21", "date_end":"2026-02-21", "time_start":"18:00:00", "time_end":"20:00:00", "time_zone":"America\/Detroit", "event_title":"Planetarium Night - National Society of Black Physicists", "occurrence_title":"", "combined_title":"Planetarium Night - National Society of Black Physicists", "event_subtitle":"", "event_type":"Exhibition", "event_type_id":"7", "description":"Come join the Willie Hobbs Moore Chapter of the National Society of Black Physicists for a planetarium show on Campus. \n\nPlanetarium is located in Room 3118 of Angell Hall. We will meet earlier at a room nearby at Angell Hall for dinner in AH5180B\n\n \nRSVP is required. Current limit is 25 attendees.", "occurrence_notes":"Planetarium is located in Room 3118 of Angell Hall. We will meet earlier at a room nearby at Angell Hall for dinner (to be updated).", "guid":"145499-21897437@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145499", "building_id":"", "building_name":"", "building_official_id":"", "campus_maps_id":"", "campus_maps_link_path":"", "campus_maps_link":"", "room":"Room 3118 of Angell Hall.", "location_name":null, "has_livestream":0, "cost":"", "tags":["Physics"], "website":"https:\/\/sites.google.com\/umich.edu\/nsbp-whmc\/home", "links":[ { "type":"other", "url":"https:\/\/sites.google.com\/umich.edu\/nsbp-whmc\/home", "title":"Website" }, { "type":"sessions", "url":"https:\/\/sessions.studentlife.umich.edu\/track\/event\/session\/106844", "title":"RSVP here" } ], "sponsors":[ { "group_name":"National Society of Black Physicists", "group_id":"5440", "website":"https:\/\/sites.google.com\/umich.edu\/nsbp-whmc\/home" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/02\/event_145499_original-1.png", "image_description":"Flyer showing a telescope and planets with a title: BLACK HISTORY MONTH. Join the national society of black physisicts for a Planetarium Event", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/02\/event_145499_original-1.png", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/02\/event_145499_original-1.png", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_large_2x\/media\/attachments\/2026\/02\/event_145499_original-1.png", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/02\/event_145499_original-1.png", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_thumb\/media\/attachments\/2026\/02\/event_145499_original-1.png", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_thumb_square\/media\/attachments\/2026\/02\/event_145499_original-1.png", "group_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_large\/media\/attachments\/2026\/02\/event_145499_original-1.png", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_large_lightbox\/media\/attachments\/2026\/02\/event_145499_original-1.png", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_large_crop\/media\/attachments\/2026\/02\/event_145499_original-1.png", "event_list":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_list\/media\/attachments\/2026\/02\/event_145499_original-1.png", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/02\/event_145499_original-1.png", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/02\/event_145499_original-1.png", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_grid_2x\/media\/attachments\/2026\/02\/event_145499_original-1.png", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_feature_large\/media\/attachments\/2026\/02\/event_145499_original-1.png", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/02\/event_145499_original-1.png" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/145499\/qrcode.png", "occurrence_count":1, "first_occurrence":21897437 } , { "id":"144906-21896131", "datetime_modified":"20260202T102637", "datetime_start":"20260223T150000", "datetime_end":"20260223T160000", "has_end_time":1, "date_start":"2026-02-23", "date_end":"2026-02-23", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"HEP-Astro Seminar | Dark Energy Dynamics, Spatial Curvature, Neither, or Both?", "occurrence_title":"", "combined_title":"HEP-Astro Seminar | Dark Energy Dynamics, Spatial Curvature, Neither, or Both?: Bharat Ratra (Kansas State University)", "event_subtitle":"Bharat Ratra (Kansas State University)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Observations over the last two and half decades have persuaded cosmologists that (as yet only indirectly detected) dark energy is by far the main component of the energy budget of the current universe. I review a few simple dark energy models, including the currently-standard \u039bCDM cosmological model, and compare their predictions to observational data, to derive cosmological parameter constraints and to study consistency of different data sets. I summarize observational constraints on dark energy dynamics and spatial curvature, two parameters that extend away from the time-independent cosmological constant dark energy and flat spatial hypersurfaces of the standard \u039bCDM model. I also summarize observational constraints on the Hubble constant. I conclude with a list of my favorite open cosmological questions.", "occurrence_notes":null, "guid":"144906-21896131@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/144906", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"HEP - Astro Seminars", "group_id":"3799", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/144906\/qrcode.png", "occurrence_count":1, "first_occurrence":21896131 } , { "id":"145653-21897638", "datetime_modified":"20260219T054806", "datetime_start":"20260224T160000", "datetime_end":"20260224T170000", "has_end_time":1, "date_start":"2026-02-24", "date_end":"2026-02-24", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"CM-AMO Seminar | Classical mechanics as the high-entropy limit of quantum mechanics", "occurrence_title":"", "combined_title":"CM-AMO Seminar | Classical mechanics as the high-entropy limit of quantum mechanics: Gabriele Carcassi (U-M Physics)", "event_subtitle":"Gabriele Carcassi (U-M Physics)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"In our recent publication (https:\/\/iopscience.iop.org\/article\/10.1088\/1402-4896\/ae3a20), we show that classical mechanics can be recovered as the high-entropy limit of quantum mechanics. That is, the high entropy masks quantum effects, and mixed states of high enough entropy can be approximated with classical distributions. The mathematical limit hbar to 0 can be recovered by decreasing entropy of pure states to minus infinity, in the same way that non-relativistic mechanics can be recovered mathematically by increasing the speed of light c to plus infinity. Physically, these limits are more appropriately understood as a high entropy limit and low speed limit respectively, representing approximations that are independent of underlying mechanism. With this approach, the classical limit is both formally and conceptually similar to the non-relativistic limit, and is independent of interpretation. It also gives an intuitive understanding to the Dirac correspondence principle: it is looking for a theory with lower entropy bound that, at high entropy, recovers classical mechanics. Given that the Moyal bracket is the unique one-parameter Lie-algebraic deformation of the Poisson bracket, quantum mechanics is the only theory that can provide such a lower bound on the entropy.", "occurrence_notes":null, "guid":"145653-21897638@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145653", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"CM-AMO Seminars", "group_id":"3801", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/145653\/qrcode.png", "occurrence_count":1, "first_occurrence":21897638 } , { "id":"144106-21894670", "datetime_modified":"20260202T062717", "datetime_start":"20260225T150000", "datetime_end":"20260225T160000", "has_end_time":1, "date_start":"2026-02-25", "date_end":"2026-02-25", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"Department Colloquium | X-ray vision in the age of free-electron lasers: Making the invisible visible", "occurrence_title":"", "combined_title":"Department Colloquium | X-ray vision in the age of free-electron lasers: Making the invisible visible: David A. Reis (Stanford PULSE Institute Departments of Applied Physics and Photon Science Stanford University and SLAC National Accelerator Laboratory)", "event_subtitle":"David A. Reis (Stanford PULSE Institute Departments of Applied Physics and Photon Science Stanford University and SLAC National Accelerator Laboratory)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"For well over a century x rays have been a powerful tool for probing atomic-scale structure due to their short wavelength and relatively weak interaction with matter. As sources have become ever more brilliant, scientists have been able to probe the microscopic world with more and more exquisite detail. In the past couple of decades free-electron lasers have provided the most intense laboratory source of x rays with femtosecond pulse durations---short enough to capture the fastest vibrations in solids, and the making and breaking of chemical bonds. In this colloquium, I'll present a few examples of how we utilize these remarkable light sources to gain new insight into material properties. I\u2019ll present a novel method for studying non-equilibrium lattice dynamics in the time domain[1] which we\u2019ve used to identify a novel lattice instability in photoexcited SnSe[2], as well as identify the changes in interatomic forces that drive it [3]. The high brightness further allows us to isolate valence electron density within the atomic bonds[4]. I\u2019ll show how we\u2019ve been able to view the local nonlinear response to sub-bandgap excitation in the prototypical semiconductor silicon[5]. These results advance our goals of developing a mechanistic understanding, and novel methods of controlling, the remarkable properties of materials on their fundamental length and time scales.\n\n[1] M. Trigo, et al., Fourier-transform inelastic x-ray scattering from time- and momentum-dependent phonon-phonon correlations. Nat. Physics, 9(12):790\u2013794, 2013.\n[2] Y. Huang, et al., Observation of a novel lattice instability in ultrafast photoexcited SnSe. Phys. Rev. X, 12(1):011029, 2022.\n[3] Y. Huang, et al., Nonthermal bonding origin of a novel photoexcited lattice instability in SnSe. Phys. Rev. Lett. 131:156902, 2023\n[4] T. E. Glover, et al., X-ray and optical wave mixing. Nature, 488(7413):603\u2013608, 08 2012.\n[5] C. Ornelas-Skarin, et. al., Second-order microscopic nonlinear optical susceptibility in a centrosymmetric material: Application to imaging valence electron motion. Phys. Rev. X, 16:011006, 2026.", "occurrence_notes":null, "guid":"144106-21894670@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/144106", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Department Colloquia", "group_id":"3804", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/144106\/qrcode.png", "occurrence_count":1, "first_occurrence":21894670 } , { "id":"142258-21890278", "datetime_modified":"20260108T083622", "datetime_start":"20260226T110000", "datetime_end":"20260226T120000", "has_end_time":1, "date_start":"2026-02-26", "date_end":"2026-02-26", "time_start":"11:00:00", "time_end":"12:00:00", "time_zone":"America\/Detroit", "event_title":"Quantum Research Institute | Distributed quantum science with neutral atom arrays", "occurrence_title":"", "combined_title":"Quantum Research Institute | Distributed quantum science with neutral atom arrays: Jacob Covey (University of Illinois)", "event_subtitle":"Jacob Covey (University of Illinois)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"In-Person: Michigan Memorial Phoenix Project, 2301 Bonisteel Blvd, Ann Arbor, MI 48109, USA, PML2000\r\nZoom: https:\/\/umich.zoom.us\/j\/99940829961?jst=2\r\n\r\nAbstract: The realization of fast and high-fidelity entanglement between separated arrays of neutral atoms would enable a host of new opportunities in quantum communication, distributed quantum sensing, and modular quantum computation. In this talk, I will describe two approaches we are pursuing to generate fast and high-fidelity remote entanglement. In the first approach, we have demonstrated a photonic interconnect based on high-fidelity entanglement of the metastable nuclear spin-1\/2 qubit in ytterbium-171 and a telecom-band photon with time-bin encoding. We have realized an atom-photon Bell state fidelity of 0.95 when correcting for atomic measurement errors. As an extension of this work, I will describe a second system based on ytterbium-171 atom arrays in a near-concentric optical cavity. We anticipate the ability to generate atom-atom Bell pairs with fidelity approaching 0.99 and rate of 10^4 ebits\/sec using this telecom photonic interface. In the second approach, I will introduce a novel technique for transporting large tweezer arrays over 200 mm within a single vacuum chamber via a microscope objective mounted on an air-bearing linear motion stage. I will describe our vision for modular quantum computation based on an array of atom arrays.\r\n\r\nBio: Prof. Covey\u2019s research utilizes arrays of individually controlled neutral alkaline-earth atoms in optical tweezers to engineer many-body entangled states. Applications of interest include distributed quantum computing, quantum communication, and quantum-enhanced metrology with atomic array optical clocks. He received his Ph.D. in Physics from the University of Colorado-Boulder.", "occurrence_notes":"https:\/\/umich.zoom.us\/j\/99940829961?jst=2", "guid":"142258-21890278@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/142258", "building_id":"1000404", "building_name":"Michigan Memorial Phoenix Project", "building_official_id":1000404, "campus_maps_id":"60", "campus_maps_link_path":"michigan-memorial-phoenix-project-laboratory", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/michigan-memorial-phoenix-project-laboratory", "room":"PML2000", "location_name":"Michigan Memorial Phoenix Project", "has_livestream":1, "livestream_type":"zoom", "livetream_require_login":0, "livestream_id":"999408299612", "livestream_link":"https:\/\/umich.zoom.us\/j\/999408299612", "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Quantum Research Institute", "group_id":"5043", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" }, { "group_name":"Electrical and Computer Engineering", "group_id":"3153", "website":"http:\/\/www.ece.engin.umich.edu" }, { "group_name":"Computer Science and Engineering Division", "group_id":"3197", "website":"http:\/\/cse.umich.edu" }, { "group_name":"Applied Physics", "group_id":"3606", "website":"" }, { "group_name":"Department of Chemistry", "group_id":"3761", "website":"https:\/\/lsa.umich.edu\/chem" }, { "group_name":"Materials Science and Engineering", "group_id":"3942", "website":"" }, { "group_name":"Quantum Research Institute", "group_id":"5034", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "image_description":"Seminar Flyer", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/01\/event_142258_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/01\/event_142258_original-1.jpg" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/142258\/qrcode.png", "occurrence_count":1, "first_occurrence":21890278 } , { "id":"145154-21896740", "datetime_modified":"20260220T124737", "datetime_start":"20260227T150000", "datetime_end":"20260227T160000", "has_end_time":1, "date_start":"2026-02-27", "date_end":"2026-02-27", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"HET Seminar | The String Landscape, precisely", "occurrence_title":"", "combined_title":"HET Seminar | The String Landscape, precisely: Jakob Moritz (University of Wisconsin)", "event_subtitle":"Jakob Moritz (University of Wisconsin)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"Compactifications of higher dimensional string theories offer perhaps the most promising ``top-down\u2019\u2019 path toward realistic models of our universe. In the way stands the notorious difficulty of computing the 4d effective action beyond tree level, and a lack of concrete embeddings of Standard Model-like physics with a sufficiently long lived vacuum. In this talk, after reviewing the current status of such compactifications (the \u201cstring landscape\u201d), I will present recent and ongoing works aimed at these problems. Concretely, I will discuss work on string dualities that can be used as a tool to evaluate certain quantum corrections in flux compactifications, as well as upcoming work featuring new ensembles of top-down Standard Model constructions using type IIB string theory. Finally, I\u2019ll report on progress in evaluating the classical superpotential in type IIB compactifications on Calabi-Yau orientifolds.\n\nBased on works with Federico Compagnin, Jim Halverson, Bj\u00f6rn Hassfeld, and Elijah Sheridan", "occurrence_notes":null, "guid":"145154-21896740@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145154", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Leinweber Institute for Theoretical Physics", "group_id":"4286", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" }, { "group_name":"HET Seminars", "group_id":"3806", "website":"" }, { "group_name":"Leinweber Institute for Theoretical Physics Seminars", "group_id":"4311", "website":"" }, { "group_name":"Leinweber Institute for Theoretical Physics High Energy Theory Seminars", "group_id":"4313", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/145154\/qrcode.png", "occurrence_count":1, "first_occurrence":21896740 } , { "id":"145516-21897454", "datetime_modified":"20260226T145456", "datetime_start":"20260304T090000", "datetime_end":"20260304T170000", "has_end_time":1, "date_start":"2026-03-04", "date_end":"2026-03-04", "time_start":"09:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"LITP Workshop on Quantum Black Holes", "occurrence_title":"", "combined_title":"LITP Workshop on Quantum Black Holes", "event_subtitle":"", "event_type":"Conference \/ Symposium", "event_type_id":"5", "description":"Talks will take place in 340 West Hall on March 4 - 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Further, I will compare Bayesian and frequentist constraints on evolving dark energy from recent cosmological data.", "occurrence_notes":null, "guid":"145458-21897372@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145458", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"HEP - Astro Seminars", "group_id":"3799", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/145458\/qrcode.png", "occurrence_count":1, "first_occurrence":21897372 } , { "id":"144820-21895978", "datetime_modified":"20260304T123637", "datetime_start":"20260311T130000", "datetime_end":"20260311T140000", "has_end_time":1, "date_start":"2026-03-11", "date_end":"2026-03-11", "time_start":"13:00:00", "time_end":"14:00:00", "time_zone":"America\/Detroit", "event_title":"HET Brown Bag Seminar | Near-extremal black hole evaporation", "occurrence_title":"", "combined_title":"HET Brown Bag Seminar | Near-extremal black hole evaporation: Mykhailo Usatyuk (UCSB)", "event_subtitle":"Mykhailo Usatyuk (UCSB)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"Over the last few years it has been understood that black holes sufficiently close to extremality receive large quantum corrections that modify their thermodynamic properties. In this talk, I will explain how these large corrections modify the real time dynamics of near-extremal black holes. As an example, the spectrum of emitted Hawking radiation differs drastically from the standard predictions of QFT in curved spacetime for such black holes.", "occurrence_notes":null, "guid":"144820-21895978@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/144820", "building_id":"1000208", "building_name":"Randall Laboratory", "building_official_id":1000208, "campus_maps_id":"133", "campus_maps_link_path":"harrison-m-randall-laboratory", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/harrison-m-randall-laboratory", "room":"3481", "location_name":"Randall Laboratory", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Leinweber Institute for Theoretical Physics", "group_id":"4286", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" }, { "group_name":"HET Brown Bag Series", "group_id":"3805", "website":"" }, { "group_name":"Leinweber Institute for Theoretical Physics Seminars", "group_id":"4311", "website":"" }, { "group_name":"Leinweber Institute for Theoretical Physics Brown Bag Seminars", "group_id":"4865", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/144820\/qrcode.png", "occurrence_count":1, "first_occurrence":21895978 } , { "id":"145460-21897375", "datetime_modified":"20260226T095838", "datetime_start":"20260311T130000", "datetime_end":"20260311T140000", "has_end_time":1, "date_start":"2026-03-11", "date_end":"2026-03-11", "time_start":"13:00:00", "time_end":"14:00:00", "time_zone":"America\/Detroit", "event_title":"Interdisciplinary QC-CM Seminar | Synchrotron-based near field imaging of polar domain walls in Ni_3 TeO_6", "occurrence_title":"", "combined_title":"Interdisciplinary QC-CM Seminar | Synchrotron-based near field imaging of polar domain walls in Ni_3 TeO_6: Janice Musfeldt (Departments of Chemistry and Physics, University of Tennessee)", "event_subtitle":"Janice Musfeldt (Departments of Chemistry and Physics, University of Tennessee)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Domain walls are leading platforms for the development of ultra-low power switching and memory devices due to their ability to move, be created and erased in real time, and mitigate heat flux. Interface vs. wavelength size effects unfortunately preclude the measurement of phonons by traditional spectroscopic techniques, making it difficult to unravel the primary excitations of the lattice and the symmetries that they represent across these functional interfaces. In this work, we employed synchrotron-based near-field infrared nanospectroscopy to image 180\u25e6 polar domain walls in multiferroic Ni_3 TeO_6. This is a unique platform because, in addition to hosting polar and chiral domains that are interlocked with one another, Ni_3 TeO_6 displays both charged and neutral interfaces depending upon the direction allowing the development of structure-property relations. Comparison of the contour, fixed distance, and fixed frequency plots reveals that charged walls are twice as wide as (and less stable than) the neutral interfaces due to additional strain created by the on-end chiral helices. Chirality is responsible for much of the interface stiffness and the hardening of certain phonons at the walls. The largest frequency shift, for instance, takes place in a mode consisting of a NiO_6 octahedral contraction and rotation along c, modifying the force constant by approximately 1%. Frequency shifts at walls of both types indicate that polarization switches via an Ising-type mechanism due to structural constraints associated with interlocked chirality. Our estimates also reveal that phonon lifetimes are on the order of 1 ps or less, with marked changes at the charged and neutral walls. The ability to quantify the consequences of charge accumulation at a functional interface in terms of phonon lifetimes opens new avenues for heat management in domain wall-based devices.\n\nReference: A. M. Sargent, K. A. Smith, X. Xu, K. Du, S.-W. Cheong, L. Wehmeier, G. L. Carr, and J. L. Musfeldt, Near-field infrared imaging of polar domain walls in Ni_3 TeO_6, J. Applied Physics 138, 055302 (2025).", "occurrence_notes":null, "guid":"145460-21897375@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145460", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Interdisciplinary QC\/CM Seminars", "group_id":"3811", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/145460\/qrcode.png", "occurrence_count":1, "first_occurrence":21897375 } , { "id":"143087-21892042", "datetime_modified":"20251223T103051", "datetime_start":"20260311T151000", "datetime_end":"20260311T161000", "has_end_time":1, "date_start":"2026-03-11", "date_end":"2026-03-11", "time_start":"15:10:00", "time_end":"16:10:00", "time_zone":"America\/Detroit", "event_title":"MIPSE Seminar | Pulser IFE: A Practical and Affordable Approach to Fusion Energy", "occurrence_title":"", "combined_title":"MIPSE Seminar | Pulser IFE: A Practical and Affordable Approach to Fusion Energy: Dr. Patrick Knapp, Pacific Fusion", "event_subtitle":"Dr. Patrick Knapp, Pacific Fusion", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"Abstract: \r\nThe Pacific Fusion Corporation, founded in 2023, is developing the targets and drivers needed to achieve high gain fusion for the first time in the laboratory and to simultaneously resolve significant hurdles to commercialization. We are building a 60-MA pulsed power driver based on the Impedance-matched Marx Generator (IMG) technology, a driver technology with unprecedented efficiency. Magnetically driven targets, coupled to such an efficient generator, provide flexibility in design, low risk scaling, and a mature physics foundation. We will discuss the theoretical foundations that underpin our approach to fusion energy. To support our target design objectives we are developing and using the FLASH code. We have extensively improved and validated FLASH to support our mission. Additionally, to support experiments on our facility we have designed a state of the art diagnostic suite to enable optical, x-ray, and nuclear measurements of burning plasmas in the ~100 MJ regime. Our diagnostics are based on a foundation of statistical inference, allowing us to motivate designs based on their ability to quantitatively constrain key performance metrics.\r\n\r\nAbout the Speaker: \r\nDr. Patrick Knapp is an experimental physicist and the experiments lead at the Pacific Fusion Corporation, where he leads the effort to develop experimental platforms and analysis tools in support of achieving facility gain and fusion energy on the grid with pulser fusion. He earned a BS in Electrical and Computer Engineering from Syracuse University in 2004, and the PhD in Electrical Engineering from Cornell University in 2011. Dr. Knapp dedicated eleven years as a staff member at Sandia National Laboratories, where he directed over 100 experiments on the Z machine. During his tenure, he was instrumental in developing multiple novel x-ray instruments, establishing the Magnetized Liner Inertial Fusion (MagLIF) platform, and creating a methodology to measure fuel magnetization utilizing secondary DT neutrons. Furthermore, he devised a novel Bayesian inference method to ascertain key performance metrics from MagLIF experiments. Prior to joining Pacific Fusion in July 2024, Dr. Knapp worked at Los Alamos National Laboratory, where he spearheaded the development of a Pulsed Power ICF program and applied Pulsed Power to critical stockpile stewardship challenges. His responsibilities at Pacific Fusion involve designing experiments aimed at derisking novel target technologies and generating validation data for the FLASH radiation-magnetohydrodynamics code. He also leads the development of post-processing and synthetic data pipelines, which are essential for the informed design and optimization of the diagnostic suite for the forthcoming facility gain Demonstration System.\r\n\r\nThis seminar is free and open to the public. It will be conducted in person and on Zoom, please check MIPSE website for details: https:\/\/mipse.umich.edu\/seminars_2526.php", "occurrence_notes":null, "guid":"143087-21892042@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/143087", "building_id":"1000448", "building_name":"Electrical Engineering and Computer Science Building", "building_official_id":1000448, "campus_maps_id":"56", "campus_maps_link_path":"electrical-engineering-and-computer-science-bld", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/electrical-engineering-and-computer-science-bld", "room":"1003", "location_name":"Electrical Engineering and Computer Science Building", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"https:\/\/mipse.umich.edu\/seminars_2526.php", "links":[ { "type":"other", "url":"https:\/\/mipse.umich.edu\/seminars_2526.php", "title":"Michigan Institute for Plasma Science and Engineering" } ], "sponsors":[ { "group_name":"Michigan Institute for Plasma Science and Engineering (MIPSE)", "group_id":"4073", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "image_description":"Dr. Patrick Knapp", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2025\/12\/event_143087_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/12\/event_143087_original-1.jpg" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/143087\/qrcode.png", "occurrence_count":1, "first_occurrence":21892042 } , { "id":"138273-21882703", "datetime_modified":"20260226T132636", "datetime_start":"20260311T160000", "datetime_end":"20260311T170000", "has_end_time":1, "date_start":"2026-03-11", "date_end":"2026-03-11", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"2026 Ford Motor Company Distinguished Lecture in Physics | Organic Semiconductors \u2013 From OLED displays to new applications", "occurrence_title":"", "combined_title":"2026 Ford Motor Company Distinguished Lecture in Physics | Organic Semiconductors \u2013 From OLED displays to new applications: Richard Friend, Professor of Physics (Cavendish Laboratory, University of Cambridge)", "event_subtitle":"Richard Friend, Professor of Physics (Cavendish Laboratory, University of Cambridge)", "event_type":"Presentation", "event_type_id":"16", "description":"Lecture Abstract: Organic molecules with semiconducting properties are now used as the light-emitting diodes, LEDs, in organic LEDdisplays. These are now the dominant technologies for high-performance displays used in smartphones and televisions, but their potential applications are far broader, from solar cells to printable electronics to bio-interfaces. I will describe some of the journey from early discoveries to practical display technology, and outline some of our current research on the new phenomena these materials can exhibit, including their use as optically-accessed quantum sensors.\n\nFind out more about Professor Richard Friend by visiting our Ford Lecture event page at https:\/\/myumi.ch\/g35nR.\n\nThis lecture will be held in person and livestreamed: https:\/\/youtu.be\/P6lg1HTqkW8", "occurrence_notes":null, "guid":"138273-21882703@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/138273", "building_id":"1000172", "building_name":"Rackham Graduate School (Horace H.)", "building_official_id":1000172, "campus_maps_id":"71", "campus_maps_link_path":"horace-h-rackham-school-of-graduate-studies", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/horace-h-rackham-school-of-graduate-studies", "room":"Amphitheater, 4th Floor, Rackham Building", "location_name":"Rackham Graduate School (Horace H.)", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"https:\/\/lsa.umich.edu\/physics", "links":[ { "type":"other", "url":"https:\/\/lsa.umich.edu\/physics", "title":"Physics Department Website" } ], "sponsors":[ { "group_name":"Department Colloquia", "group_id":"3804", "website":"" }, { "group_name":"Michigan Engineering", "group_id":"1151", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" }, { "group_name":"The Center for the Study of Complex Systems", "group_id":"3247", "website":"https:\/\/lsa.umich.edu\/cscs\/" }, { "group_name":"Applied Physics", "group_id":"3606", "website":"" }, { "group_name":"Department of Chemistry", "group_id":"3761", "website":"https:\/\/lsa.umich.edu\/chem" }, { "group_name":"LSA Biophysics", "group_id":"3767", "website":"" }, { "group_name":"Department of Mathematics", "group_id":"3791", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/08\/event_138273_original-1.png", "image_description":"Richard Friend, the 2026 Ford Lecture speaker profile photo.", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/08\/event_138273_original-1.png", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/08\/event_138273_original-1.png", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/08\/event_138273_original-1.png", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/08\/event_138273_original-1.png", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/08\/event_138273_original-1.png", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2025\/08\/event_138273_original-1.png", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2025\/08\/event_138273_original-1.png", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2025\/08\/event_138273_original-1.png", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2025\/08\/event_138273_original-1.png", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2025\/08\/event_138273_original-1.png", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/08\/event_138273_original-1.png", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/08\/event_138273_original-1.png", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2025\/08\/event_138273_original-1.png", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2025\/08\/event_138273_original-1.png", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/08\/event_138273_original-1.png" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/138273\/qrcode.png", "occurrence_count":1, "first_occurrence":21882703 } , { "id":"145168-21896755", "datetime_modified":"20260210T094456", "datetime_start":"20260311T170000", "datetime_end":"20260311T180000", "has_end_time":1, "date_start":"2026-03-11", "date_end":"2026-03-11", "time_start":"17:00:00", "time_end":"18:00:00", "time_zone":"America\/Detroit", "event_title":"Thriving in STEM | \"Art of the Heart\" Book Discussion", "occurrence_title":"", "combined_title":"Thriving in STEM | \"Art of the Heart\" Book Discussion: Dr. Jay H. Kleiman and Mrs. Georgi Kleiman", "event_subtitle":"Dr. Jay H. Kleiman and Mrs. Georgi Kleiman", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"WHAT IS THE MISSING LINK IN TODAY'S MEDICAL CARE DELIVERY?\n\nMedical school training has historically relied on the biological sciences, and their application, for diagnosis and treatment, with technology an adjunct to care. Although many major medical schools now incorporate \u201cdoctoring\u201d into their curriculum, traditional medical training lacked an emphasis on the psycho-social aspects of the doctor-patient relationship.\n\nJoin the \u201cArt of the Heart: The Doctor-Patient Partnership\u201d book discussion to explore the solution as author, Jay H. Kleiman, M.D., recounts the profound career moments that define the doctor-patient partnership, illuminating the path toward preventing physician burnout.\u00a0\n\nHOW DO I GET THE BOOK?\n\nBook copies\u00a0are available on Amazon for $10, in both paperback and Kindle versions (and free for students with Kindle Unlimited).\u00a0 If you need financial assistance purchasing the book, complete this\u00a0GoogleForm\u00a0(myumi.ch\/z98zn) by\u00a0Tuesday, February 17\u00a0to\u00a0have a copy provided for you.\u00a0\n\nWHAT CAN I EXPECT AT THE BOOK DISCUSSION EVENT?\n\nA virtual Book Discussion will be held on Wednesday, March 11 from 5 - 6 PM\u00a0with the author, Jay H. Kleiman, M.D., and his wife, Georgi.\u00a0 This will provide you the opportunity to directly engage with the author and his spouse to learn from their lived experiences.\u00a0 A set of discussion prompts and questions is available to view in advance; however, live questions from participants are highly encouraged.", "occurrence_notes":null, "guid":"145168-21896755@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145168", "building_id":"", "building_name":"", "building_official_id":"", "campus_maps_id":"", "campus_maps_link_path":"", "campus_maps_link":"", "room":"", "location_name":"", "has_livestream":0, "cost":"", "tags":["physics"], "website":"https:\/\/sessions.studentlife.umich.edu\/p\/track\/16519", "links":[ { "type":"sessions", "url":"https:\/\/sessions.studentlife.umich.edu\/p\/track\/16519", "title":"Register On Sessions @ Michigan" }, { "type":"instagram", "url":"https:\/\/www.instagram.com\/umich.slc\/", "title":"\"Art of the Heart\" Book Discussion" } ], "sponsors":[ { "group_name":"Sessions @ Michigan", "group_id":"4791", "website":"https:\/\/sessions.studentlife.umich.edu\/" }, { "group_name":"University Career Center UCC", "group_id":"1140", "website":"http:\/\/careercenter.umich.edu" }, { "group_name":"Science Learning Center", "group_id":"2328", "website":"" }, { "group_name":"Newnan LSA Academic Advising Center", "group_id":"3721", "website":"" }, { "group_name":"Women in Science and Engineering (WISE) Program", "group_id":"3737", "website":"http:\/\/wise.umich.edu" }, { "group_name":"Program in Biology", "group_id":"3783", "website":"" }, { "group_name":"HSSP", "group_id":"3787", "website":"" }, { "group_name":"WISE Residence Program", "group_id":"3792", "website":"" }, { "group_name":"Newnan LSA Pre-Health", "group_id":"4049", "website":"" }, { "group_name":"LSA Transfer Student Center", "group_id":"4442", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/02\/event_145168_original-1.jpg", "image_description":"Book Cover that reads \"The Doctor-Patient Partnership; Art of the Heart; Jay H. 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Achieving this goal, however, requires the accurate realization of smaller-scale quantum gates and control operations. Understanding and characterizing modular gate and control errors is therefore essential for building reliable quantum applications. Earlier work has typically pursued either universal algorithms with theoretical guarantees or black-box engineering approaches with no guarantees. Yet, problem-specific structures offer opportunities for efficient and robust system characterization at the intersection of theory and practice. In this talk, I will present how structured signal transformation and processing can be used to exploit such structures. I will first introduce a gate characterization method that is both resource-efficient and robust against complex experimental errors, drawing parallels to parameter estimation in classical statistics. I will then generalize this idea to functional signals and present a novel non-parametric estimation paradigm.\n\nBio:\nYulong Dong is an Assistant Professor in ECE, with a courtesy appointment in Mathematics, at the University of Michigan. He earned his Ph.D. in Applied Mathematics from UC Berkeley in 2023. Before joining UMich, he worked as a research intern at Google Quantum AI, then as a research scientist at ByteDance AI Lab in California, and subsequently at the University of Washington. His research focuses on numerical analysis, optimization, and quantum computing, with particular emphasis on quantum algorithms for scientific computing and high-precision quantum learning and sensing. His work not only provides rigorous theoretical results but also maintains close connections to practical applications. More broadly, his research aims to bridge quantum computing with applied mathematics and information theory by addressing challenging problems in quantum algorithms and sensing from numerical-analysis and information-theoretic perspectives.", "occurrence_notes":"https:\/\/umich.zoom.us\/j\/98748463202?jst=2", "guid":"142259-21890279@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/142259", "building_id":"", "building_name":"Off Campus Location", "building_official_id":null, "campus_maps_id":"1", "campus_maps_link_path":"", "campus_maps_link":"", "room":"411", "location_name":"West Hall", "has_livestream":1, "livestream_type":"zoom", "livetream_require_login":0, "livestream_id":"987484632022", "livestream_link":"https:\/\/umich.zoom.us\/j\/987484632022", "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Quantum Research Institute", "group_id":"5043", "website":"" }, { "group_name":"Department of Astronomy", "group_id":"1178", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" }, { "group_name":"Electrical and Computer Engineering", "group_id":"3153", "website":"http:\/\/www.ece.engin.umich.edu" }, { "group_name":"Computer Science and Engineering Division", "group_id":"3197", "website":"http:\/\/cse.umich.edu" }, { "group_name":"Applied Physics", "group_id":"3606", "website":"" }, { "group_name":"Department of Chemistry", "group_id":"3761", "website":"https:\/\/lsa.umich.edu\/chem" }, { "group_name":"Materials Science and Engineering", "group_id":"3942", "website":"" }, { "group_name":"Electrical Engineering and Computer Science", "group_id":"3989", "website":"" }, { "group_name":"Quantum Research Institute", "group_id":"5034", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/02\/event_142259_original-1.jpg", "image_description":"Seminar Flyer", "styled_images":{ 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"event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/02\/event_142259_original-1.jpg" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/142259\/qrcode.png", "occurrence_count":1, "first_occurrence":21890279 } , { "id":"144048-21894588", "datetime_modified":"20260220T142035", "datetime_start":"20260314T103000", "datetime_end":"20260314T113000", "has_end_time":1, "date_start":"2026-03-14", "date_end":"2026-03-14", "time_start":"10:30:00", "time_end":"11:30:00", "time_zone":"America\/Detroit", "event_title":"Saturday Morning Physics | Magnets and Amplitudes: A Glimpse into the Quantum Realm", "occurrence_title":"", "combined_title":"Saturday Morning Physics | Magnets and Amplitudes: A Glimpse into the Quantum Realm: Aaron Chan and Justin Berman (U-M Physics Graduate Students) Present the Van Loo Student Talks", "event_subtitle":"Aaron Chan and Justin Berman (U-M Physics Graduate Students) Present the Van Loo Student Talks", "event_type":"Presentation", "event_type_id":"16", "description":"Aaron Chan, \"Extreme Magnetic Fields: How and Why\"\nLaboratory experimental apparatus can produce magnetic fields up to 100T\u2014about 30 times stronger than hospital MRI machines and 10,000 times larger than a regular fridge magnet. In this talk, I will discuss the cutting-edge technology used by the National High Magnetic Field Laboratory to produce such powerful magnetic fields and the interesting physical phenomena probed in such extreme environments. \n\nJustin Berman, \"Bootstrapping High-Energy Theories from Low-Energy Clues\"\nA key goal of particle physics theories is to predict how particles scatter off one another. However, experimentally probing these interactions at very high energies is extremely difficult. In this talk, I explain how fundamental principles of physics let us \u201cbootstrap\u201d low-energy data into predictions about high-energy particles, independent of the underlying theory. By using this bootstrap technique, I show that we can find upper and lower limits on the masses of particles in an approximation of the real world, which predict the existence and properties of a massive particle that has not yet been observed.\n\nWe celebrate the Van Loo Family Student Presentations this Saturday!\n\nLecture and Q&A, live-streamed on: https:\/\/myumi.ch\/5kVRx", "occurrence_notes":null, "guid":"144048-21894588@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/144048", "building_id":"1000165", "building_name":"Weiser Hall", "building_official_id":1000165, "campus_maps_id":"47", "campus_maps_link_path":"weiser-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/weiser-hall", "room":"170 & 182", "location_name":"Weiser Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"http:\/\/saturdaymorningphysics.org", "links":[ { "type":"other", "url":"http:\/\/saturdaymorningphysics.org", "title":"All About Saturday Morning Physics" } ], "sponsors":[ { "group_name":"Saturday Morning Physics", "group_id":"3814", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" }, { "group_name":"Graduate Society of Women Engineers", "group_id":"2294", "website":"http:\/\/www.gradswe.engin.umich.edu\/" }, { "group_name":"The Center for the Study of Complex Systems", "group_id":"3247", "website":"https:\/\/lsa.umich.edu\/cscs\/" }, { "group_name":"Department of Statistics", "group_id":"3473", "website":"" }, { "group_name":"Department of Statistics Seminar Series", "group_id":"3585", "website":"" }, { "group_name":"Applied Physics", "group_id":"3606", "website":"" }, { "group_name":"LSA Biophysics", "group_id":"3767", "website":"" }, { "group_name":"Department of Mathematics", "group_id":"3791", "website":"" }, { "group_name":"Undergrad Physics Events", "group_id":"4397", "website":"" }, { "group_name":"Graduate Society of Black Engineers and Scientists", "group_id":"4407", "website":"" }, { "group_name":"M-STEM Academies", "group_id":"4636", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/02\/event_144048_original-1.png", "image_description":"An illustration of a man in rustic attire jumping from a cracked, rocky landscape into a bright, cloudy sky. A winding, sparkling golden path leads from the ground toward the words UNKNOWN THEORY at the top. The rocky ground is embossed with the text LOW ENERGY INFORMATION.", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/02\/event_144048_original-1.png", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/02\/event_144048_original-1.png", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/02\/event_144048_original-1.png", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/02\/event_144048_original-1.png", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/02\/event_144048_original-1.png", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/02\/event_144048_original-1.png", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/02\/event_144048_original-1.png", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/02\/event_144048_original-1.png", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/02\/event_144048_original-1.png", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/02\/event_144048_original-1.png", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/02\/event_144048_original-1.png", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/02\/event_144048_original-1.png", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/02\/event_144048_original-1.png", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/02\/event_144048_original-1.png", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/02\/event_144048_original-1.png" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/144048\/qrcode.png", "occurrence_count":1, "first_occurrence":21894588 } , { "id":"146456-21899134", "datetime_modified":"20260311T121343", "datetime_start":"20260316T150000", "datetime_end":"20260316T160000", "has_end_time":1, "date_start":"2026-03-16", "date_end":"2026-03-16", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"HEP-Astro Seminar | Axion Dark Matter Searches: ADMX and BREAD", "occurrence_title":"", "combined_title":"HEP-Astro Seminar | Axion Dark Matter Searches: ADMX and BREAD: Andrew Sonnenschein (FNAL)", "event_subtitle":"Andrew Sonnenschein (FNAL)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"In the early 1980s, axions and WIMPs were identified as promising dark matter candidates. The last forty years have seen a spectacularly successful experimental program attempting to discover the WIMPs, with sensitivity that has by now improved by many orders of magnitude compared to the earliest results. The parallel program to search for axions has made less progress and has reached the necessary sensitivity only over a very limited mass range. However, progress has recently accelerated, with the invention of many new axion detection techniques that may eventually provide a definitive answer to the question of whether the dark matter is made of axions. I will review some of these new developments with emphasis on Fermilab\u2019s program, including ADMX-G2 and Broadband Reflector Experiment for Axion Detection (BREAD).", "occurrence_notes":null, "guid":"146456-21899134@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/146456", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"HEP - Astro Seminars", "group_id":"3799", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/146456\/qrcode.png", "occurrence_count":1, "first_occurrence":21899134 } , { "id":"146387-21898981", "datetime_modified":"20260310T091106", "datetime_start":"20260317T160000", "datetime_end":"20260317T170000", "has_end_time":1, "date_start":"2026-03-17", "date_end":"2026-03-17", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"CM-AMO Seminar | Tailoring Rydberg interactions for expanding quantum capabilities", "occurrence_title":"", "combined_title":"CM-AMO Seminar | Tailoring Rydberg interactions for expanding quantum capabilities: Qi-Yu Liang (Purdue University)", "event_subtitle":"Qi-Yu Liang (Purdue University)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Rydberg atoms provide a uniquely versatile platform for engineering strong, tunable interactions in otherwise weakly interacting neutral-atom systems. They couple strongly to each other and to external fields. The former enables controllable atom-atom, atom-photon and even photon-photon interactions, while the latter promises exceptionally sensitive and broadband microwave (MW) and radio frequency (RF) sensing capabilities. Typically, the Rydberg-Rydberg interactions are leveraged as a blockade mechanism. In contrast, we explore the antiblockade regime in atom arrays, where interactions facilitate rather than suppress excitation. I will present our numerical studies demonstrating directional quantum information and entanglement transfer [1], as well as robust avalanche amplification for weak signal detection [2]. For atom-field coupling, I will present our experimental work expanding MW sensing capabilities with cold atomic ensembles. First, we demonstrate 3D field characterization via multi-parameter extraction, which holds potential as a testbed for machine-learning-enhanced measurement protocols and has broad implications for information extraction from complex measurements. Second, we address the intersection of atom-atom and atom-field interactions by investigating the role of nonlinear atomic interactions in probing external fields [3]. Together, these studies show how tailoring Rydberg interactions expands the accessible measurement and dynamical capabilities of cold-atom platforms.\n \nReferences:\n[1] Yupeng Wang, Junjie Wang, Aishik Panja, Xinghan Wang, Qi-Yu Liang, \u201cDirectional Transport in Rydberg Atom Arrays via Kinetic Constraints and Temporal Modulation\u201d, Phys. Rev. Research 7, L022035 (2025)\n[2] Xinghan Wang, Yupeng Wang, Qi-Yu Liang, \u201cRobust Rydberg facilitation via rapid adiabatic passage\u201d, Phys. Rev. Research 8, 013154 (2026)\n[3] Xinghan Wang, Yupeng Wang, Aishik Panja, Qi-Yu Liang, \"Nonlinear optical spectra from Rydberg-mediated photon photon interactions\", arXiv:2602.11563 (2026)", "occurrence_notes":null, "guid":"146387-21898981@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/146387", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"CM-AMO Seminars", "group_id":"3801", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/146387\/qrcode.png", "occurrence_count":1, "first_occurrence":21898981 } , { "id":"144821-21895979", "datetime_modified":"20260310T154829", "datetime_start":"20260318T130000", "datetime_end":"20260318T140000", "has_end_time":1, "date_start":"2026-03-18", "date_end":"2026-03-18", "time_start":"13:00:00", "time_end":"14:00:00", "time_zone":"America\/Detroit", "event_title":"HET Brown Bag Seminar | Comments on the gravitational path integral approach to cosmology", "occurrence_title":"", "combined_title":"HET Brown Bag Seminar | Comments on the gravitational path integral approach to cosmology: Stefano Antonini (Berkeley)", "event_subtitle":"Stefano Antonini (Berkeley)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"In this talk, I will discuss various aspects of the gravitational path integral (GPI) approach to cosmology. First, I will revisit the Hartle-Hawking no-boundary proposal taking into account the norms of states computed using the GPI, and explain how this dramatically alters the predictions of the proposal. I will then propose an alternative prescription, which relates cosmological initial conditions to asymptotically AdS boundary conditions. Preliminary results show this approach predicts a long inflationary period ending in a metastable de Sitter universe (modulo some technical issues I will discuss). Finally, if time allows, I will comment on recent results that the Hilbert space of closed universes is one-dimensional, and discuss the role of an ingredient common to all proposed resolutions of this issue: ensemble averaging.", "occurrence_notes":null, "guid":"144821-21895979@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/144821", "building_id":"1000208", "building_name":"Randall Laboratory", "building_official_id":1000208, "campus_maps_id":"133", "campus_maps_link_path":"harrison-m-randall-laboratory", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/harrison-m-randall-laboratory", "room":"3481", "location_name":"Randall Laboratory", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Leinweber Institute for Theoretical Physics", "group_id":"4286", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" }, { "group_name":"HET Brown Bag Series", "group_id":"3805", "website":"" }, { "group_name":"Leinweber Institute for Theoretical Physics Seminars", "group_id":"4311", "website":"" }, { "group_name":"Leinweber Institute for Theoretical Physics Brown Bag Seminars", "group_id":"4865", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/144821\/qrcode.png", "occurrence_count":1, "first_occurrence":21895979 } , { "id":"143082-21892027", "datetime_modified":"20260226T103302", "datetime_start":"20260318T151000", "datetime_end":"20260318T161000", "has_end_time":1, "date_start":"2026-03-18", "date_end":"2026-03-18", "time_start":"15:10:00", "time_end":"16:10:00", "time_zone":"America\/Detroit", "event_title":"NEW DATE: MIPSE Seminar | Magnetic Confinement Fusion: The Path to the Spherical Tokamak and NSTX-U", "occurrence_title":"", "combined_title":"NEW DATE: MIPSE Seminar | Magnetic Confinement Fusion: The Path to the Spherical Tokamak and NSTX-U: Dr. Phillip Bonofiglo, Princeton Plasma Physics Laboratory", "event_subtitle":"Dr. Phillip Bonofiglo, Princeton Plasma Physics Laboratory", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"Abstract: \nNuclear fusion research has been ongoing since the 1950\u2019s. Following the development of atomic weapons, scientists have been searching for methods to achieve controlled and sustained nuclear fusion for clean and abundant energy production. Magnetic fields quickly became a viable option for confining the high-temperature, high-density plasmas needed. Many magnetic confinement schemes were developed (magnetic mirrors, stellarator, tokamak, spherical tokamak). Each design has had various degrees of success, and each has its own drawbacks. With the invention of the stellarator in 1953, Princeton Plasma Physics Laboratory (PPPL) has been a pioneer in fusion research. Researchers have produced computational and experimental contributions to fusion research, culminating in the 2026 construction and operation of the National Spherical Tokamak Experiment \u2013 Upgrade (NSTX-U). This talk will introduce nuclear fusion, discuss why we need a confinement scheme, introduce the basic principles of magnetic confinement fusion (MCF), and provide an overview of the popular confinement schemes. The talk will focus on tokamaks and the potential advantages of the spherical tokamak, examine upcoming experiments on NSTX-U, projected to be the world\u2019s most powerful spherical tokamak, and conclude with open questions in MCF.\n\nAbout the Speaker: \nDr. Phillip Bonofiglo is a Staff Research Physicist at the Princeton Plasma Physics Laboratory (PPPL). He received his B.S. in physics from the University of Michigan \u2013 Ann Arbor where he was introduced to plasma physics research through high energy density physics experiments. Phil then received his Ph.D. from the University of Wisconsin \u2013 Madison where his career in magnetic confinement fusion began. After obtaining his Ph.D., Phil joined PPPL as a postdoc where he specialized in the confinement and transport of energetic particles, often combining numerical simulations and experimental measurements. His research career has since spanned almost every magnetic confinement fusion concept including reversed-field configurations, stellarators, tokamaks, and spherical tokamaks. He participated in the recent DT-campaign on the Joint European Torus (JET), examining DT-alpha confinement, and has upcoming experiments on the Mega Ampere Spherical Tokamak \u2013 Upgrade (MAST-U) and National Spherical Tokamak Experiment \u2013 Upgrade (NSTX-U) devices.\n\nThis seminar is free and open to the public. It will be conducted in person and on Zoom, please check MIPSE website for details: https:\/\/mipse.umich.edu\/seminars_2526.php", "occurrence_notes":null, "guid":"143082-21892027@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/143082", "building_id":"1000448", "building_name":"Electrical Engineering and Computer Science Building", "building_official_id":1000448, "campus_maps_id":"56", "campus_maps_link_path":"electrical-engineering-and-computer-science-bld", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/electrical-engineering-and-computer-science-bld", "room":"1003", "location_name":"Electrical Engineering and Computer Science Building", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"https:\/\/mipse.umich.edu\/seminars_2526.php", "links":[ { "type":"other", "url":"https:\/\/mipse.umich.edu\/seminars_2526.php", "title":"Michigan Institute for Plasma Science and Engineering" } ], "sponsors":[ { "group_name":"Michigan Institute for 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"time_zone":"America\/Detroit", "event_title":"HEP-Astro Seminar | Realizing a Polarized 3He++ Ion Source at Brookhaven National Lab with Metastability Exchange Optical Pumping", "occurrence_title":"", "combined_title":"HEP-Astro Seminar | Realizing a Polarized 3He++ Ion Source at Brookhaven National Lab with Metastability Exchange Optical Pumping: Noah Benjamin Wuerfel (MIT)", "event_subtitle":"Noah Benjamin Wuerfel (MIT)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"A high intensity (2 x 10\u02c611 ions per pulse) polarized 3He++ ion source is being developed at BNL for use at the future Electron Ion Collider (EIC). The helium gas will be polarized using a novel technique based on metastability-exchange optical pumping (MEOP) in the 5T field of the existing Electron Beam Ion Source (EBIS), where it can be ionized and prepared for injection into the Booster. An infrared laser system has been developed for optical pumping and measuring the polarization of the gas inside of the EBIS field. Previous results in a test setup have shown up to 80% polarization for ultra-pure 3He in an \u201copen\u201d cell configuration, with isolation valve and refilling tubes closed. Now, the setup has been moved into an exact copy of the EBIS magnet to prepare for final integration and injection into the Booster. An absolute nuclear polarimeter and spin-rotator has been constructed to measure the 3He polarization near 6 MeV in the EBIS to Booster transit line. 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Institute | Have we seen a demonstration of experimental quantum advantage?", "occurrence_title":"", "combined_title":"Quantum Research Institute | Have we seen a demonstration of experimental quantum advantage?: Bill Fefferman (University of Chicago)", "event_subtitle":"Bill Fefferman (University of Chicago)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"In-Person: Michigan Memorial Phoenix Project, 2301 Bonisteel Blvd, Ann Arbor, MI 48109, USA, PML2000\nZoom: https:\/\/umich.zoom.us\/j\/94764879233?jst=2\n\nAbstract: A major goal for the field of quantum computation is \u201cquantum advantage\" -- the first experimental demonstration of a quantum computation that is beyond the capabilities of any classical computer. While we have now seen many quantum advantage claims made by experimental groups around the world, many of these claims have been disproven. \n\nIn this talk, we'll discuss the status quo regarding the latest experimental quantum advantage claims and the evidence for their classical hardness. We\u2019ll then discuss the classical verification problem, and propose a new quantum advantage proposal that uses ideas from quantum error correction to enable a large gap between classical verification and simulation.\n\nBio:\nI am an Associate Professor in the Department of Computer Science at the University of Chicago.\nPreviously, I held research positions at the University of California at Berkeley, advised by Umesh Vazirani, and in QuICS, at the University of Maryland\/NIST.\nI received my Ph.D. in computer science from the Department of Computer and Mathematical Sciences and the Institute for Quantum Information and Matter at Caltech, co-advised by Alexei Kitaev and Chris Umans.", "occurrence_notes":"https:\/\/umich.zoom.us\/j\/94764879233?jst=2", "guid":"142260-21890280@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/142260", "building_id":"", "building_name":"", "building_official_id":"", "campus_maps_id":"", "campus_maps_link_path":"", 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Program for the Strong Force: Leonardo Rastelli (SUNY Stonybrook)", "event_subtitle":"Leonardo Rastelli (SUNY Stonybrook)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"In the 1960s, the dominant approach to the strong interaction was the S-matrix bootstrap: the idea that the hadronic spectrum and scattering amplitudes could be determined from the general principles of causality and unitarity. This program culminated in the Veneziano amplitude which gave birth to string theory, but was abandoned as an approach to the strong force after the identification of Quantum Chromodynamics (QCD) as the microscopic theory of hadron physics. Yet QCD at low energies remains largely unsolved. I will describe how modern bootstrap methods, powered new theoretical insights and computational techniques, allow us to revisit this classic program with unprecedented rigor. Consistency of pion scattering \u2014 with minimal assumptions about the lightest resonances \u2014 leads to the emergence of Regge trajectories from the bootstrap bounds. The bootstrap approach becomes particularly sharp in the limit of a large number of colors. The low-lying spectrum of the extremal solutions shows a tantalizing, and still somewhat mysterious, quantitative proximity to the real-world meson masses. I will discuss what we are learning from these results and outline open questions on the path toward a bootstrap solution of large N QCD.", "occurrence_notes":null, "guid":"146256-21898732@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/146256", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Department Colloquia", "group_id":"3804", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/146256\/qrcode.png", "occurrence_count":1, "first_occurrence":21898732 } , { "id":"145859-21897962", "datetime_modified":"20260224T084355", "datetime_start":"20260406T150000", "datetime_end":"20260406T160000", "has_end_time":1, "date_start":"2026-04-06", "date_end":"2026-04-06", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"HEP-Astro Seminar | Shining a light on the Dark Sector: Probing Dark QCD Signatures with the ATLAS Experiment", "occurrence_title":"", "combined_title":"HEP-Astro Seminar | Shining a light on the Dark Sector: Probing Dark QCD Signatures with the ATLAS Experiment: Jackson Carl Burzynski (University of Oklahoma)", "event_subtitle":"Jackson Carl Burzynski (University of Oklahoma)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"The particle nature of dark matter remains one of the most significant open questions in high energy physics. The lack of a definitive signal in traditional searches for WIMP-like dark matter has motivated an increased focus on so-called dark sector scenarios, in which the Standard Model (SM) is extended with new particles that are neutral under the SM gauge group but charged under new \"dark forces\", interacting with the SM only through an additional mediator particle. A particularly compelling class of these models is dark QCD, where the dark sector contains its own confining gauge group, analogous to SM QCD, giving rise to a spectrum of composite dark states. These models can produce striking collider signatures, including displaced vertices, jets containing invisible constituents, and emerging jets, whose charged particle content gradually emerges as the dark states decay back to the SM. These signatures pose significant challenges for standard reconstruction techniques, requiring the development of novel identification strategies. In this talk, I will present recent ATLAS efforts to probe dark QCD signatures, including searches for exotic decays of the Higgs boson to long-lived particles, the first ATLAS search for emerging jets, and the reconstruction techniques that enable the identification of these topologies. Together, these results illustrate how ATLAS is expanding its reach into dark sector parameter space and opening new avenues in the search for dark matter.", "occurrence_notes":null, "guid":"145859-21897962@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145859", "building_id":"1000167", "building_name":"West Hall", "building_official_id":1000167, "campus_maps_id":"163", "campus_maps_link_path":"west-hall", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/west-hall", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"HEP - Astro Seminars", "group_id":"3799", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/145859\/qrcode.png", "occurrence_count":1, "first_occurrence":21897962 } , { "id":"144822-21895980", "datetime_modified":"20260206T082652", "datetime_start":"20260408T130000", "datetime_end":"20260408T140000", "has_end_time":1, "date_start":"2026-04-08", "date_end":"2026-04-08", "time_start":"13:00:00", "time_end":"14:00:00", "time_zone":"America\/Detroit", "event_title":"HET Brown Bag Seminar |", "occurrence_title":"", "combined_title":"HET Brown Bag Seminar |: Victor Rodriguez (UCSB)", "event_subtitle":"Victor Rodriguez (UCSB)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"tbd", "occurrence_notes":null, "guid":"144822-21895980@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/144822", "building_id":"1000208", "building_name":"Randall Laboratory", "building_official_id":1000208, "campus_maps_id":"133", "campus_maps_link_path":"harrison-m-randall-laboratory", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/harrison-m-randall-laboratory", "room":"3481", "location_name":"Randall Laboratory", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"", "links":[ ], "sponsors":[ { "group_name":"Leinweber Institute for Theoretical Physics", "group_id":"4286", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" }, { "group_name":"HET Brown Bag Series", "group_id":"3805", "website":"" }, { "group_name":"Leinweber Institute for Theoretical Physics Seminars", "group_id":"4311", "website":"" }, { "group_name":"Leinweber Institute for Theoretical Physics Brown Bag Seminars", "group_id":"4865", "website":"" } ], "image_url":"", "image_description":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/144822\/qrcode.png", "occurrence_count":1, "first_occurrence":21895980 } , { "id":"143576-21893408", "datetime_modified":"20260109T094942", "datetime_start":"20260408T151000", "datetime_end":"20260408T161000", "has_end_time":1, "date_start":"2026-04-08", "date_end":"2026-04-08", "time_start":"15:10:00", "time_end":"16:10:00", "time_zone":"America\/Detroit", "event_title":"MIPSE Seminar | Magnetic Reconnection: What do We Know Now, and What Remains Unsolved", "occurrence_title":"", "combined_title":"MIPSE Seminar | Magnetic Reconnection: What do We Know Now, and What Remains Unsolved: Dr. Michael Hesse, Naval Postgraduate School", "event_subtitle":"Dr. Michael Hesse, Naval Postgraduate School", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"Abstract: \r\nMagnetic reconnection (MR) is one of the most important transport and energy-release processes in collisionless plasmas. Although governed by highly localized kinetic physics, MR enables system-scale changes, often involving explosive conversion of stored magnetic energy into particle energy. MR powers such diverse plasma phenomena as solar and stellar flares, geomagnetic storms, and the aurora, and underlies many of the deleterious effects collectively referred to as space weather. Magnetic reconnection therefore constitutes an important and accessible example of a fundamentally multiscale physical process.\r\nWhile the global consequences of magnetic reconnection have been understood at a conceptual level for some time, the detailed physics governing its operation remained elusive until recently. The advent of the Magnetospheric Multiscale (MMS) mission, which has provided\u2014and continues to provide\u2014unprecedented in situ measurements, has supplied both new empirical insight and critical ground truth for theory and numerical modeling. MMS has largely resolved how MR operates at its core: the small spatial region that enables large-scale plasma dynamics. More recent results have begun to illuminate the mechanisms of energy conversion and the physical coupling between this central region and its surrounding environment. This presentation will summarize the current understanding of MR and highlight emerging research directions that follow from these recent advances.\r\n\r\nAbout the Speaker: \r\nDr. Michael Hesse, who received his PhD from Ruhr-Universit\u00e4t in Bochum, is Vice Provost for Research and Innovation at the Naval Postgraduate School (NPS), where he oversees research priorities that advance the Navy, Marine Corps, and Department of Defense. Prior to NPS, Dr. Hesse was Director of the Science Directorate at NASA\u2019s Ames Research Center, leading a staff of about 500 engaged in Earth science, planetary and astrophysical research, and space biological research. Before joining Ames, Dr. Hesse spent three years at the University of Bergen in Norway where he led the Geomagnetic Expert Service Centre, a multi-national consortium providing space weather services to ESA. Prior to moving to Bergen, Dr. Hesse had a distinguished 25-year career at NASA\u2019s Goddard Space Flight Center (GSFC), culminating in his role as the Director of the Heliophysics Science Division, and founding Director of the Community Coordinated Modeling Center (CCMC). Dr. Hesse has published more than 300 papers (H index of 76). He is Fellow of the American Geophysical Union and member of Academia Europea; and has received several awards including NASA Outstanding Leadership Medal, NASA Distinguished Service Medal, and AGU Space Weather and Nonlinear Waves and Processes Prize.\r\n\r\nThis seminar is free and open to the public. It will be conducted in person and on Zoom, please check MIPSE website for details: https:\/\/mipse.umich.edu\/seminars_2526.php", "occurrence_notes":null, "guid":"143576-21893408@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/143576", "building_id":"1000448", "building_name":"Electrical Engineering and Computer Science Building", "building_official_id":1000448, "campus_maps_id":"56", "campus_maps_link_path":"electrical-engineering-and-computer-science-bld", "campus_maps_link":"https:\/\/maps.studentlife.umich.edu\/building\/electrical-engineering-and-computer-science-bld", "room":"1003", "location_name":"Electrical Engineering and Computer Science Building", "has_livestream":0, "cost":"", "tags":["Physics"], "website":"https:\/\/mipse.umich.edu\/seminars_2526.php", "links":[ { "type":"other", "url":"https:\/\/mipse.umich.edu\/seminars_2526.php", "title":"Michigan Institute for Plasma Science and Engineering" } ], "sponsors":[ { "group_name":"Michigan Institute for Plasma Science and Engineering (MIPSE)", "group_id":"4073", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "image_description":"Dr. Michael Hesse", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/01\/event_143576_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/01\/event_143576_original-1.jpg" }, "qr_code_url":"http:\/\/events.umich.edu\/event\/143576\/qrcode.png", "occurrence_count":1, "first_occurrence":21893408 } , { "id":"142261-21890281", "datetime_modified":"20260224T150916", "datetime_start":"20260409T110000", "datetime_end":"20260409T120000", "has_end_time":1, "date_start":"2026-04-09", "date_end":"2026-04-09", "time_start":"11:00:00", "time_end":"12:00:00", "time_zone":"America\/Detroit", "event_title":"Quantum Research Institute | Quantum Spin-Mechanics with Color Centers in Diamond: A Potential Platform for Quantum Computing", "occurrence_title":"", "combined_title":"Quantum Research Institute | Quantum Spin-Mechanics with Color Centers in Diamond: A Potential Platform for Quantum Computing: Hailin Wang (University of Oregon)", "event_subtitle":"Hailin Wang (University of Oregon)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"In-Person: West Hall 411\nZoom: https:\/\/umich.zoom.us\/j\/91761768567?jst=2\n\nAbstract:\nIn a spin-mechanical system, electron spins are coupled to vibrations of a nanomechanical resonator. Coherent interactions between single spins and single phonons take place in the quantum regime of spin-mechanics. A network of these resonators can enable phonon-mediated coupling between distant electron spin, leading to a mechanical quantum network of spin qubits and providing an experimental platform for developing spin-based quantum computers. \nIn this talk, I will discuss our recent advance in achieving ultracoherent GHz diamond nanomechanical resonators and in developing mechanical quantum networks of spin qubits in diamond. Localization and localization phase transitions induced by deterministic onsite potentials in a mechanical network are also exploited for the realization of extended network connectivity, which is deemed essential for large-scale fault tolerant quantum computers. \n\nBio:\nHailin Wang received B.S. and Ph.D. degrees in physics from the University of Science and Technology of China and the University of Michigan in 1982 and 1990, respectively. He was a research investigator at the University of Michigan and subsequently a staff consultant at AT&T Bell Laboratories. He joined the University of Oregon in 1995 where he is now a professor of physics. Dr. Wang has made important contributions to the current understanding of coherent as well as incoherent optical processes in semiconductor nanostructures. He also made the first experimental demonstration of amplitude squeezed light from an injection-locked diode laser and developed a fused silica optical resonator that feature highly directional evanescent tunneling. His work on exciton spin coherence and biexciton coherence has recently led to the first demonstration of electromagnetically induced transparency for interband optical transitions in semiconductors. His current research interest includes optical manipulation of quantum coherences in semiconductors and especially its application in both classical and quantum information processing. 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