{ "153766-21916289": { "datetime_modified":"20261016T110239", "datetime_start":"20261027T160000", "datetime_end":"20261027T170000", "has_end_time":1, "date_start":"2026-10-27", "date_end":"2026-10-27", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"CM-AMO Seminar | Controlling Superconductivity and Topology through Electronic Correlations, Electron- Lattice Coupling, and Interface Engineering", "occurrence_title":"", "combined_title":"CM-AMO Seminar | Controlling Superconductivity and Topology through Electronic Correlations, Electron- Lattice Coupling, and Interface Engineering: Subhasish Mandal (West Virginia University)", "event_subtitle":"Subhasish Mandal (West Virginia University)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"High-temperature superconductivity and topological quantum matter remain among the central challenges in condensed matter physics. Their coexistence offers a promising route toward realizing Majorana zero modes and fault-tolerant quantum technologies. While studies of topological materials and electron-phonon coupling have largely relied on single particle descriptions, the role of strong electronic correlations remains unresolved. In particular, it is unclear (i) how correlations modify electron-phonon coupling [1] and lattice dynamics in determining superconducting transition temperatures and (ii) how electron-electron interactions drive topological systems beyond the single-particle limit. \n\nIn this talk, I will discuss our efforts to address these questions using parameter tuning-free embedded dynamical mean-field theory (eDMFT) [2]. By combining epitaxial thin-film growth, angle-resolved photoemission spectroscopy (ARPES), and scanning tunneling microscopy\/spectroscopy (STM\/S). Focusing on FeX (X = Se, S, Te) thin films on SrTiO\u2083 (001), we demonstrate a strong dependence of the superconducting transition temperature () on the FeX\u2084 tetrahedral bond angle, highlighting the crucial role of lattice geometry in correlated superconductivity [3]. We further present evidence for topological superconductivity and identify a distinct phase that competes with strong electronic correlations[4]. Remarkably, both the measured superconducting gap and the eDMFT-derived electron-phonon coupling exhibit a dome-shaped dependence on the tetrahedral angle [5]. I will then show how these insights can be extended toward a predictive, materials-by-design framework for topological superconductivity. Applying a multiscale framework to FeTe\u2080.\u2085Se\u2080.\u2085 and FeSe\/GaAs heterostructures, we predict multiple topological superconducting phases and identify experimentally viable materials platforms in which topology, superconductivity, and strong correlations can be engineered in concert [5,6]. Together, these results demonstrate how electronic correlations, lattice geometry, and interface engineering can be harnessed to control superconductivity and topology, providing a pathway toward the rational design of correlated topological quantum materials and future Majorana-based quantum technologies.\n\nReferences:\n[1] S. Mandal et al. PRB 89, 220502(R) (2014); S. Gerber et al. Science 357, 71 (2017).\n[2] A. Sihi, S. Mandal, & K. Haule, Phys. Rev. B (Lett.) 113, L201116 (2026); (Editor's suggestion)\n[3] S. Mandal et al. PRL. 119, 067004 (2017); Q. Zou, et al. Nano Letters 25, (47) 16572 (2025)\n[4] H. Lin, et al. Nature Communications 17, 1188 (2026)\n[5] Q. Zou, et al. Phys. Rev. B 114, 225123 (2026) (Editor's suggestion) \n[6] Jacobs et al. arXiv:2609.10381 (2026).", "occurrence_notes":null, "guid":"153766-21916289@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/153766", "building_id":"1000167", "building_name":"West Hall", "campus_maps_id":"163", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics","Science"], "website":"", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"" }, "occurrence_count":1, "first_occurrence":21916289 } , "151080-21910843": { "datetime_modified":"20261008T191237", "datetime_start":"20261028T120000", "datetime_end":"20261028T130000", "has_end_time":1, "date_start":"2026-10-28", "date_end":"2026-10-28", "time_start":"12:00:00", "time_end":"13:00:00", "time_zone":"America\/Detroit", "event_title":"HET Brown Bag Seminar | What is the simplest holographic matrix model?", "occurrence_title":"", "combined_title":"HET Brown Bag Seminar | What is the simplest holographic matrix model?: Harish Murali (Stanford)", "event_subtitle":"Harish Murali (Stanford)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"I\u2019ll talk about a Hermitian two matrix model called the Hoppe model, which has an interesting strong coupling limit where the matrices commute with each other. Furthermore, there exists an emergent area preserving diffeomorphism symmetry of this model at strong coupling, which allows us to completely solve it at leading order. The solution for all n-point connected correlators takes the form of a Witten diagram-like expansion in an emergent two-dimensional spacetime. I\u2019ll also briefly talk about commuting strong coupling limits in more general multi-matrix integrals, including supersymmetric ones. The talk will be based on https:\/\/arxiv.org\/pdf\/2608.14781 and https:\/\/arxiv.org\/pdf\/2607.21593.", "occurrence_notes":null, "guid":"151080-21910843@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/151080", "building_id":"1000208", "building_name":"Randall Laboratory", "campus_maps_id":"133", "room":"3481", "location_name":"Randall Laboratory", "has_livestream":0, "cost":"", "tags":["brown bag","Brown Bag Seminar","Lecture","Physics","Science"], "website":"", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"" }, "occurrence_count":1, "first_occurrence":21910843 } , "152402-21913685": { "datetime_modified":"20260929T141905", "datetime_start":"20261030T123000", "datetime_end":"20261030T163000", "has_end_time":1, "date_start":"2026-10-30", "date_end":"2026-10-30", "time_start":"12:30:00", "time_end":"16:30:00", "time_zone":"America\/Detroit", "event_title":"Toward a Computational Understanding of Socio-Cultural Dynamics", "occurrence_title":"", "combined_title":"Toward a Computational Understanding of Socio-Cultural Dynamics", "event_subtitle":"", "event_type":"Conference \/ Symposium", "event_type_id":"5", "description":"This symposium brings social scientists and computational scientists together for an afternoon to promote interdisciplinary work on sociocultural dynamics. \n\nThe event features a keynote lecture by Rachael Jack of Vanderbilt University, along with a series of flash talks by U-M experts to introduce non-computational scientists to methods relevant to the study of complex social and cultural processes. The lineup includes David Jurgens, Mark Newman, and Alexander Rodr\u00edguez. A closing reception offers space for informal conversation and building new collaborations. \n\nDoors\/refreshments at 12:30, with the program starting at 1.\n\nShinobu Kitayama and Amie Gordon, Director and Associate Director of the Research Center for Group Dynamics (RCGD) are the organizers of this symposium. This event will launch a new initiative of RCGD to explore how computational methods can advance our understanding of culture, cognition, and social behavior. RCGD will present a winter seminar series on this topic, beginning in January.\n\nFor questions related to the event, or to request accommodations, please contact Matthew Redding, mredding@umich.edu.\n\nOct. 30, 1-4:30\nDoors\/refreshments at 12:30\n\nRSVP: https:\/\/forms.gle\/QvzNcPwjuazwtMaQ8\n\nSpeakers and Talks:\nDavid Jurgens, U-M Professor, School of Information and the Department of Computer Science & Engineering\nMark Newman, U-M Anatol Rapoport Distinguished University Professor of Physics\nAlexander Rodriguez, Assistant Professor, Computer Science and Engineering\nRachael Jack, Professor, Area Lead of Computational Social Science, Vanderbilt University", "occurrence_notes":null, "guid":"152402-21913685@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/152402", "building_id":"1000145", "building_name":"Institute For Social Research", "campus_maps_id":"76", "room":"1430", "location_name":"Institute For Social Research", "has_livestream":0, "cost":"", "tags":["Ai","Ai Literacy","Anthropology","Artificial Intelligence","Center For Political Studies","Communication And Media","Communication Studies","Computational Social Science","Computer Science","Culture","Data Analysis","In Person","Institute For Social Research","Isr","Lecture","Machine Learning","Natural Language Processing","Psychology","Social Science","Social Science Research","Social Sciences","Sociology"], "website":"https:\/\/rcgd.isr.umich.edu\/", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/09\/event_152402_original-1.png", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/09\/event_152402_original-1.png", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/09\/event_152402_original-1.png", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/09\/event_152402_original-1.png", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/09\/event_152402_original-1.png", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/09\/event_152402_original-1.png", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/09\/event_152402_original-1.png", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/09\/event_152402_original-1.png", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/09\/event_152402_original-1.png", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/09\/event_152402_original-1.png", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/09\/event_152402_original-1.png", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/09\/event_152402_original-1.png", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/09\/event_152402_original-1.png", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/09\/event_152402_original-1.png", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/09\/event_152402_original-1.png", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/09\/event_152402_original-1.png" }, "occurrence_count":1, "first_occurrence":21913685 } , "151804-21912196": { "datetime_modified":"20261022T161414", "datetime_start":"20261030T150000", "datetime_end":"20261030T160000", "has_end_time":1, "date_start":"2026-10-30", "date_end":"2026-10-30", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"HET Seminar | Fundamental Physics from Large-Scale Structure Cosmology", "occurrence_title":"", "combined_title":"HET Seminar | Fundamental Physics from Large-Scale Structure Cosmology: Mikhail Ivanov (MIT)", "event_subtitle":"Mikhail Ivanov (MIT)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"I will present a program for extracting cosmological information by combining effective field theory techniques with data from galaxy surveys. I will highlight previous successes of this program and share new results from my independent re-analyses of the public DESI survey data, which incorporate additional information from higher-order statistics. These results include new measurements of fundamental cosmological parameters and tight constraints on neutrino masses, cosmic inflation, dark matter, and the dark energy equation of state. I will argue that the dark energy results may hint at new a fundamental force between dark matter and dark energy, which can be tested with upcoming large-scale structure data.", "occurrence_notes":null, "guid":"151804-21912196@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/151804", "building_id":"1000208", "building_name":"Randall Laboratory", "campus_maps_id":"133", "room":"4404", "location_name":"Randall Laboratory", "has_livestream":0, "cost":"", "tags":["High Energy Theory Seminar","Lecture","Physics","Science","Seminar","Talk"], "website":"", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"" }, "occurrence_count":1, "first_occurrence":21912196 } , "150457-21909473": { "datetime_modified":"20260911T120619", "datetime_start":"20261031T103000", "datetime_end":"20261031T113000", "has_end_time":1, "date_start":"2026-10-31", "date_end":"2026-10-31", "time_start":"10:30:00", "time_end":"11:30:00", "time_zone":"America\/Detroit", "event_title":"Saturday Morning Physics | Spooky, Spectacular Halloween Demo Show (Family-Friendly)", "occurrence_title":"", "combined_title":"Saturday Morning Physics | Spooky, Spectacular Halloween Demo Show (Family-Friendly): The Warren M. Smith Demonstration Laboratory Team (U-M Physics)", "event_subtitle":"The Warren M. Smith Demonstration Laboratory Team (U-M Physics)", "event_type":"Presentation", "event_type_id":"16", "description":"Hybrid Lecture: Join us in Weiser Hall in person (Rooms 170 and 182) or stream live: https:\/\/myumi.ch\/gkMjG\n\nA family-friendly extravaganza of physics demonstrations and explanations that are a little bit scary and a lot of fun!", "occurrence_notes":null, "guid":"150457-21909473@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/150457", "building_id":"1000165", "building_name":"Weiser Hall", "campus_maps_id":"47", "room":"170 & 182", "location_name":"Weiser Hall", "has_livestream":0, "cost":"", "tags":["Community Event","Faculty","Free","Graduate Students","Physics","Science","Staff","Undergrad Physics Events","Undergraduate Students"], "website":"https:\/\/lsa.umich.edu\/physics\/news-events\/saturday-morning-physics.html", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"" }, "occurrence_count":1, "first_occurrence":21909473 } , "154084-21917134": { "datetime_modified":"20261026T112727", "datetime_start":"20261102T120000", "datetime_end":"20261102T130000", "has_end_time":1, "date_start":"2026-11-02", "date_end":"2026-11-02", "time_start":"12:00:00", "time_end":"13:00:00", "time_zone":"America\/Detroit", "event_title":"Applied Physics | Active and living solids", "occurrence_title":"", "combined_title":"Applied Physics | Active and living solids: Suraj Shankar, Assistant Professor of Physics at the University of Michigan", "event_subtitle":"Suraj Shankar, Assistant Professor of Physics at the University of Michigan", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"From cytoskeletal networks to cells and tissues, numerous biological systems behave as elastically coupled active materials. Yet little is known about the emergent properties of active solids and their implications for biology. I will highlight recent and ongoing work on exploring dynamics, energetics, failure, growth, etc., in active solids and discuss functional consequences for physiology and morphogenesis.", "occurrence_notes":"HYBRID", "guid":"154084-21917134@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/154084", "building_id":"1000167", "building_name":"West Hall", "campus_maps_id":"163", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Applied Physics","Biological Physics","Biology","Physics"], "website":"https:\/\/lsa.umich.edu\/physics\/people\/faculty\/surajsh.html", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_thumb\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_thumb\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_thumb_square\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_large\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_large_lightbox\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_large_crop\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_list\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_grid_2x\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_feature_large\/media\/attachments\/2026\/10\/event_154084_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/10\/event_154084_original-1.jpg" }, "occurrence_count":1, "first_occurrence":21917134 } , "153963-21916847": { "datetime_modified":"20261022T102943", "datetime_start":"20261103T160000", "datetime_end":"20261103T170000", "has_end_time":1, "date_start":"2026-11-03", "date_end":"2026-11-03", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"CM-AMO Seminar | Measuring Gravity by Dropping Atoms", "occurrence_title":"", "combined_title":"CM-AMO Seminar | Measuring Gravity by Dropping Atoms: Xuejian Wu (Rutgers University)", "event_subtitle":"Xuejian Wu (Rutgers University)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Leveraging the nature of quantum phenomena, quantum technologies are advancing rapidly in computing, communication, and sensing. Quantum inertial sensors based on light-pulse atom interferometry are powerful tools for precision measurements, navigation, geoscience, and civil engineering. By contrast to classical sensors, atom interferometers use photon momentum to coherently split and recombine matter waves. Since the laser wavelength precisely determines photon momentum, atom interferometers are highly accurate and have demonstrated unprecedented sensitivity and stability. In this talk, I will present compact and versatile atom interferometers for measuring the local gravity field and sensing multi-axis accelerations and rotations. With simplicity and sensitivity, our technology paves the way for deploying quantum sensors in field applications.\n\nBio: Dr. Xuejian Wu joined the Physics Department at Rutgers University-Newark in January 2021. From 2015 to 2020, he was a postdoctoral scholar in the Physics Department at the University of California, Berkeley. In January 2015, Dr. Wu received his PhD from Tsinghua University, China. Dr. Wu serves as an associate editor for Optics Express and an editorial board member for Atoms.", "occurrence_notes":null, "guid":"153963-21916847@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/153963", "building_id":"1000167", "building_name":"West Hall", "campus_maps_id":"163", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics","Science"], "website":"", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"" }, "occurrence_count":1, "first_occurrence":21916847 } , "151159-21910990": { "datetime_modified":"20261022T124900", "datetime_start":"20261104T120000", "datetime_end":"20261104T130000", "has_end_time":1, "date_start":"2026-11-04", "date_end":"2026-11-04", "time_start":"12:00:00", "time_end":"13:00:00", "time_zone":"America\/Detroit", "event_title":"HET Brown Bag Seminar | Suppressed Quantum Effects of Weakly Coupled Waves", "occurrence_title":"", "combined_title":"HET Brown Bag Seminar | Suppressed Quantum Effects of Weakly Coupled Waves: Kevin Zhou (Berkeley)", "event_subtitle":"Kevin Zhou (Berkeley)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"Searches for axion dark matter and gravitational waves are rapidly expanding, with new experiments deploying quantum sensing techniques to reach unprecedented precision. But does one need to account for the quantum nature of the axion or GW itself? I will exhibit two severe obstructions. First, realistic detectors cannot resolve the fundamental modes of a field; instead they couple to coarse-grained \"effective\" modes, which often washes out nonclassical effects. Second, all nonclassical effects are suppressed by extra powers of the weak coupling, making them much harder to detect than the waves themselves. This suppression applies to all observables, including quadrature and number statistics, entanglement, and decoherence, and rules out many proposed methods to detect the quantization of gravity.", "occurrence_notes":null, "guid":"151159-21910990@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/151159", "building_id":"1000208", "building_name":"Randall Laboratory", "campus_maps_id":"133", "room":"3481", "location_name":"Randall Laboratory", "has_livestream":0, "cost":"", "tags":["brown bag","Brown Bag Seminar","Lecture","Physics","Science","Talk"], "website":"", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"" }, "occurrence_count":1, "first_occurrence":21910990 } , "150999-21910702": { "datetime_modified":"20260827T081620", "datetime_start":"20261104T150000", "datetime_end":"20261104T160000", "has_end_time":1, "date_start":"2026-11-04", "date_end":"2026-11-04", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"Department Colloquium", "occurrence_title":"", "combined_title":"Department Colloquium: Prineha Narang (UCLA)", "event_subtitle":"Prineha Narang (UCLA)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"TBA", "occurrence_notes":null, "guid":"150999-21910702@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/150999", "building_id":"1000167", "building_name":"West Hall", "campus_maps_id":"163", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics","Science"], "website":"", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"" }, "occurrence_count":1, "first_occurrence":21910702 } , "148612-21904526": { "datetime_modified":"20261026T085802", "datetime_start":"20261105T110000", "datetime_end":"20261105T120000", "has_end_time":1, "date_start":"2026-11-05", "date_end":"2026-11-05", "time_start":"11:00:00", "time_end":"12:00:00", "time_zone":"America\/Detroit", "event_title":"Quantum Research Institute | Rethinking Superconducting Nanowire Single-Photon Detectors", "occurrence_title":"", "combined_title":"Quantum Research Institute | Rethinking Superconducting Nanowire Single-Photon Detectors: Pankaj Jha (Syracuse University)", "event_subtitle":"Pankaj Jha (Syracuse University)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Zoom: In the Meeting Invite\nIn-Person: West Hall, Room 411\n\nAbstract:\nSuperconducting nanowire single-photon detectors combine near-perfect efficiency, exceptional timing precision, and almost no false counts, making them a key enabling technology for quantum information science. Yet two long-standing constraints limit their wider use: they must operate at liquid-helium temperatures, and their design imposes a fundamental trade-off. A large active area captures more light, while a small one offers higher speed, lower noise, and sharper timing. In this talk, I will present two complementary approaches to easing these constraints. The first rethinks the material. Exfoliated van der Waals flakes of an iron-based superconductor produce a fast, self-resetting photoresponse well above liquid-helium temperatures. I will discuss what it will take to achieve single-photon sensitivity. Because this approach leads to smaller detectors, efficient light collection becomes even more important. The second approach rethinks optics. Cryogenic dielectric metasurfaces act as flat lenses, allowing a small detector to collect light like a much larger one. They can also add new functions, such as sorting photons by polarization onto neighboring detectors. Together, these approaches point toward single-photon detectors that are warmer, smaller, and more capable, with reduced size, weight, power, cost, and cooling demands. They could open new opportunities across quantum technologies, photonics, and sensing.\n\nBio:\nPankaj K. Jha is an Assistant Professor of Electrical Engineering and Computer Science at Syracuse University, with an affiliated appointment in Physics, where he leads the Quantum Technology Laboratory. He received his PhD in Physics from Texas A&M University and was a postdoctoral scholar at UC Berkeley and Caltech before joining Syracuse. His research integrates 2D materials, metamaterials, and superconducting devices to advance quantum photonic technologies, focusing on next-generation single-photon detectors. His work has been highlighted by Lawrence Berkeley National Laboratory, the Kavli Foundation, and the Moore Foundation. His honors include a 2023 Air Force Research Laboratory (AFRL) Visiting Faculty Research Program Fellowship and a 2023 Syracuse University Faculty Creative Activities and Research (FCAR) Grant. His research is supported by the NSF, AFRL, DARPA, and Google.", "occurrence_notes":null, "guid":"148612-21904526@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/148612", "building_id":"null", "building_name":"Off Campus Location", "campus_maps_id":"1", "room":"411", "location_name":"West Hall", "has_livestream":1, "livestream_type":"other", "livetream_require_login":0, "livestream_id":"", "livestream_link":"", "cost":"", "tags":["Applied Physics","Astronomy","Chemistry","Computer Science And Engineering","Electrical And Computer Engineering","Electrical Engineering And Computer Science","Materials Science","Physics","Quantum","Quantum Computing","Quantum Science"], "website":"", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_thumb\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_large_lightbox\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_thumb\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_thumb_square\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_large\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_large_lightbox\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_large_crop\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_list\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_grid\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_grid_2x\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_feature_large\/media\/attachments\/2026\/10\/event_148612_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_feature_thumb\/media\/attachments\/2026\/10\/event_148612_original-1.jpg" }, "occurrence_count":1, "first_occurrence":21904526 } , "150864-21910328": { "datetime_modified":"20261022T210707", "datetime_start":"20261106T150000", "datetime_end":"20261106T160000", "has_end_time":1, "date_start":"2026-11-06", "date_end":"2026-11-06", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"HET Seminar | On the origin of Flavor and CP Violation", "occurrence_title":"", "combined_title":"HET Seminar | On the origin of Flavor and CP Violation: Claudio Manzari (IAS)", "event_subtitle":"Claudio Manzari (IAS)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"I will present recent work on several aspects of flavor physics, motivated by suggestive patterns in high-precision data. First, I will discuss CKM unitarity constraints, focusing on the angles of the unitarity triangle and on intriguing hints of spontaneous CP violation. Then, I will argue that Standard Model running of the Yukawa couplings points to quark\u2013lepton unification at a surprisingly low scale. Simple Pati\u2013Salam theories of flavor can realize this for all three generations, with predictions within reach of upcoming searches for charged-lepton flavor violation.", "occurrence_notes":null, "guid":"150864-21910328@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/150864", "building_id":"1000208", "building_name":"Randall Laboratory", "campus_maps_id":"133", "room":"4404", "location_name":"Randall Laboratory", "has_livestream":0, "cost":"", "tags":["High Energy Theory Seminar","Physics","Science","Seminar"], "website":"", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"" }, "occurrence_count":1, "first_occurrence":21910328 } , "151090-21912210": { "datetime_modified":"20261024T123045", "datetime_start":"20261111T100000", "datetime_end":"20261111T110000", "has_end_time":1, "date_start":"2026-11-11", "date_end":"2026-11-11", "time_start":"10:00:00", "time_end":"11:00:00", "time_zone":"America\/Detroit", "event_title":"AI for Physics Seminar Series", "occurrence_title":"", "combined_title":"AI for Physics Seminar Series: Various", "event_subtitle":"Various", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"This seminar series will take place in 340 West Hall, Bi-weekly, Wednesdays from 10:00--11:00 am\n\nFor details please see;\n\nhttps:\/\/umich-ai4physics.github.io\/)", "occurrence_notes":null, "guid":"151090-21912210@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/151090", "building_id":"1000167", "building_name":"West Hall", "campus_maps_id":"163", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Lecture","Physics","Science"], "website":"https:\/\/umich-ai4physics.github.io\/)", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"" }, "occurrence_count":6, "first_occurrence":21910857 } , "151160-21910991": { "datetime_modified":"20261023T072027", "datetime_start":"20261111T120000", "datetime_end":"20261111T130000", "has_end_time":1, "date_start":"2026-11-11", "date_end":"2026-11-11", "time_start":"12:00:00", "time_end":"13:00:00", "time_zone":"America\/Detroit", "event_title":"HET Brown Bag Seminar | Growing large SMBH at early times with dark atoms", "occurrence_title":"", "combined_title":"HET Brown Bag Seminar | Growing large SMBH at early times with dark atoms: Akshay Ghalsasi (Harvard)", "event_subtitle":"Akshay Ghalsasi (Harvard)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"Observations by JWST have indicated the presence of large SMBH within the first 500 Myr of the universe. The existence of these black holes require the BH seeds to grow faster than allowed by the Eddington limit. In this talk I will consider the growth of these black holes if a small component of dark matter was dissipative in nature. Using dark atoms as a concrete example of dissipative dark matter, we show that it is possile to grow large BHs in the early universe through accretion of dark atoms or by starting out with larger seeds.", "occurrence_notes":null, "guid":"151160-21910991@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/151160", "building_id":"1000208", "building_name":"Randall Laboratory", "campus_maps_id":"133", "room":"3481", "location_name":"Randall Laboratory", "has_livestream":0, "cost":"", "tags":["brown bag","Brown Bag Seminar","Lecture","Physics","Science","Talk"], "website":"", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"" }, "occurrence_count":1, "first_occurrence":21910991 } , "153675-21916167": { "datetime_modified":"20261014T092749", "datetime_start":"20261111T150000", "datetime_end":"20261111T160000", "has_end_time":1, "date_start":"2026-11-11", "date_end":"2026-11-11", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"Department Colloquium | High-Temperature Superconductivity \u2013 Insights from Einstein\u2019s Electrons", "occurrence_title":"", "combined_title":"Department Colloquium | High-Temperature Superconductivity \u2013 Insights from Einstein\u2019s Electrons: Zhi-Xun Shen (Stanford University)", "event_subtitle":"Zhi-Xun Shen (Stanford University)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Complex phenomena in solids remain a central theme of 21st-century physics. Angle-resolved photoemission spectroscopy (ARPES), based on Einstein\u2019s photoelectric effect, has emerged as a leading tool for exploring this frontier, providing direct, momentum-resolved access to the electronic structure\u2014the \u201cDNA\u201d of quantum materials. Its impact spans cuprate superconductors, topological systems, and two-dimensional materials, where it has both tested theoretical ideas and revealed unexpected behavior. \n\nIn this talk, I will discuss both the progress and remaining challenges in understanding cuprate high-temperature superconductors through the lens of ARPES. From testing theoretical ideas and uncovering unexpected phenomena to resolving long-standing puzzles and benchmarking models, systematic ARPES studies point toward a pathway for achieving high-temperature superconductivity. \n\nIn the poorly screened regime near correlation-driven insulating states, the interplay between strong electron\u2013electron and electron\u2013phonon interactions could enhance pairing strength while suppressing structural instabilities. At the same time, this environment fosters competing orders and fluctuations, giving rise to the rich and complex phenomenology characteristic of these unconventional superconductors.\n\nA. Damascelli, Z. Hussain, and Z.-X. Shen; Reviews of modern physics 75 (2), 473 (2003)\nJ. Sobota, Y. He, and Z.-X. Shen; Reviews of Modern Physics 93 (2), 025006 (2021)\nZ.-X. Shen; Coshare Science 02, 04 (2024); DOI:\u00a0https:\/\/doi.org\/10.61109\/cs.202405.130\n\nBio: Zhi-Xun Shen is the Paul Pigott Professor of Physical Sciences at Stanford University, with appointments in the Physics and Applied Physics Departments. An experimental condensed matter physicist, he is renowned for establishing angle-resolved photoemission spectroscopy (ARPES) as a central tool for probing the electronic structure of quantum materials, transforming the field. His contributions have been recognized by the Department of Energy E.O. Lawrence Award, the APS Oliver E. Buckley Prize, and the International Kamerlingh Onnes Prize, and elections to the U.S. National Academy of Sciences, the American Academy of Arts and Sciences, and the Royal Society. A dedicated mentor, he has trained numerous worldwide. He has held major leadership roles at Stanford and SLAC and contributed to science policy through DOE BESAC and international advisory boards.", "occurrence_notes":null, "guid":"153675-21916167@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/153675", "building_id":"1000167", "building_name":"West Hall", "campus_maps_id":"163", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Physics","Science"], "website":"", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"" }, "occurrence_count":1, "first_occurrence":21916167 } , "151162-21910993": { "datetime_modified":"20261026T085513", "datetime_start":"20261113T150000", "datetime_end":"20261113T160000", "has_end_time":1, "date_start":"2026-11-13", "date_end":"2026-11-13", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"HET Seminar | Euclidean Wormholes and Axion Cosmology", "occurrence_title":"", "combined_title":"HET Seminar | Euclidean Wormholes and Axion Cosmology: Gary Shiu (Wisconsin)", "event_subtitle":"Gary Shiu (Wisconsin)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"Axions arise ubiquitously in theories of particle physics and quantum gravity and may play important roles in cosmology, from inflation and dark matter to dark energy. This raises a basic question: does quantum gravity constrain the allowed parameter space of axions, and can such constraints have observable consequences? I will discuss how Euclidean wormholes provide a surprising connection between these questions and quantum gravity. I will first review the axionic Weak Gravity Conjecture (aWGC), including the importance of its order-one coefficient for axion phenomenology, and then describe how Euclidean wormholes may give rise to this bound. I will discuss the perturbative stability of axion wormholes and their explicit realization in string theory, both in flat space and in AdS. Finally, I will present recent work showing that the aWGC can arise directly from the nonperturbative fragmentation of Euclidean wormholes into charged defects. Requiring such fragmentation to lower the Euclidean action fixes the action-to-charge bound and its order-one coefficient, and reveals a direct connection to the Imaginary Distance Bound. This suggests that quantum-gravitational constraints on axions can be understood as conditions on the non-perturbative stability of gravitational saddles, with implications for axion cosmology and the consistency of effective field theories.", "occurrence_notes":null, "guid":"151162-21910993@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/151162", "building_id":"1000167", "building_name":"West Hall", "campus_maps_id":"163", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["High Energy Theory Seminar","Lecture","Physics","Science","Seminar","Talk"], "website":"", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"" }, "occurrence_count":1, "first_occurrence":21910993 } , "150460-21909475": { "datetime_modified":"20260911T121013", "datetime_start":"20261114T103000", "datetime_end":"20261114T113000", "has_end_time":1, "date_start":"2026-11-14", "date_end":"2026-11-14", "time_start":"10:30:00", "time_end":"11:30:00", "time_zone":"America\/Detroit", "event_title":"Saturday Morning Physics | The Physics of Art and the Art of Physics", "occurrence_title":"", "combined_title":"Saturday Morning Physics | The Physics of Art and the Art of Physics: Xiaoming Mao, Professor of Physics and Mechanical Engineering (U-M Physics and Engineering)", "event_subtitle":"Xiaoming Mao, Professor of Physics and Mechanical Engineering (U-M Physics and Engineering)", "event_type":"Presentation", "event_type_id":"16", "description":"Hybrid Lecture: Join us in Weiser Hall in person (Rooms 170 and 182) or stream live:https:\/\/myumi.ch\/Z87k9\n\nAt the same moment Monet was painting the shimmering atmosphere, Rayleigh was explaining its physics. Moving from light and color through Helmholtz\u2019s science of perception, this talk traces the remarkable journey from physical reality to what the eye sees, what the artist creates, and what the audience imagines\u2014while discussing the physics principles behind it. It then turns the lens around to ask how beauty, elegance, and symmetry guide physicists in their search for the laws of nature.", "occurrence_notes":null, "guid":"150460-21909475@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/150460", "building_id":"1000165", "building_name":"Weiser Hall", "campus_maps_id":"47", "room":"170 & 182", "location_name":"Weiser Hall", "has_livestream":0, "cost":"", "tags":["Community Event","Free","Graduate Students","Physics","Science","Undergraduate Students"], "website":"https:\/\/lsa.umich.edu\/physics\/news-events\/saturday-morning-physics.html", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"", 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"room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["Lecture","Physics","Science"], "website":"https:\/\/umich-ai4physics.github.io\/)", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"" }, "occurrence_count":6, "first_occurrence":21910857 } , "151289-21911322": { "datetime_modified":"20260901T084933", "datetime_start":"20261118T120000", "datetime_end":"20261118T130000", "has_end_time":1, "date_start":"2026-11-18", "date_end":"2026-11-18", "time_start":"12:00:00", "time_end":"13:00:00", "time_zone":"America\/Detroit", "event_title":"HET Brown Bag |", "occurrence_title":"", "combined_title":"HET Brown Bag |: Aritra Saha (Texas A&M)", "event_subtitle":"Aritra Saha (Texas A&M)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"tbd", "occurrence_notes":null, "guid":"151289-21911322@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/151289", "building_id":"1000208", "building_name":"Randall Laboratory", "campus_maps_id":"133", "room":"3481", "location_name":"Randall Laboratory", "has_livestream":0, "cost":"", "tags":["brown bag","Brown Bag Seminar","Lecture","Physics","Science","Talk"], "website":"", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"", 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theorem, carrying a quantized, measurable charge. I will show how this topology is encoded in three places an experiment can reach: the displaced-state count, the scattering matrix, and the local density of states, and how an exact closed formula for the defect's scattering determinant yields a sum rule that distinguishes a true vacancy from a strong impurity. 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These observations have enabled astronomers to confirm long-standing ideas on the physics of gas flowing into black holes with temperatures that are hundreds of times greater than at the center of the Sun. In this talk I will describe the successes and challenges of theoretical models of black hole accretion on event horizon scales in the context of these observational advances. 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By observing the sky across all forms of light \u2013 from radio waves to visible light to gamma rays \u2013 we can turn images from telescopes into measurements of the cosmos. In this talk, I describe how we go from taking images with telescopes all the way to making grand statements about the expansion of the Universe, focusing on exploding stars called supernovae and examples from my research projects DEHVILS and SAINTS.", "occurrence_notes":null, "guid":"150462-21909477@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/150462", "building_id":"1000165", "building_name":"Weiser Hall", "campus_maps_id":"47", "room":"170 & 182", "location_name":"Weiser Hall", "has_livestream":0, "cost":"", "tags":["Community Event","Faculty","Free","Graduate Students","Physics","Science","Staff","Undergrad Physics Events","Undergraduate Students"], "website":"https:\/\/lsa.umich.edu\/physics\/news-events\/saturday-morning-physics.html", "sponsors":[ { "group_name":"Department of Physics", "group_id":"1965", "website":"" } ], "image_url":"", "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":"" }, "occurrence_count":1, "first_occurrence":21909477 } , "148234-21903426": { "datetime_modified":"20260512T112510", "datetime_start":"20270331T160000", "datetime_end":"20270331T170000", "has_end_time":1, "date_start":"2027-03-31", "date_end":"2027-03-31", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"2027 Helmut W. 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