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DTSTART:20070311T020000
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BEGIN:VEVENT
DTSTAMP:20260824T163759
DTSTART;TZID=America/Detroit:20260911T150000
DTEND;TZID=America/Detroit:20260911T160000
SUMMARY:Lecture / Discussion:HET Seminar | Phasing out Dark Matter Isocurvature with Thermal Misalignment
DESCRIPTION:Thermal misalignment provides an alternative to the standard misalignment mechanism for the cosmological production of scalar dark matter. In this framework\, feeble couplings to particles in the thermal bath generate a finite-temperature potential that drives the scalar towards large field values early in the radiation era\, dynamically inducing the misalignment before the onset of scalar oscillations. As a result\, the relic abundance is controlled primarily by particle masses and couplings rather than the initial field value. As a light spectator field\, the scalar acquires inflationary fluctuations that are uncorrelated with the adiabatic curvature mode\, generically sourcing isocurvature perturbations. We show that\, unlike standard misalignment\, where light scalars are strongly constrained by cosmic microwave background bounds on dark matter isocurvature for high-scale inflation\, thermal misalignment can naturally suppress the isocurvature signal. This occurs through a novel late-time phase offset between the background zero mode and the superhorizon perturbations\, which reduces the final dark matter density contrast. Thermal misalignment therefore provides a new and generic route to isocurvature-safe scalar dark matter.
UID:149985-21907765@events.umich.edu
URL:https://events.umich.edu/event/149985
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:High Energy Theory Seminar,lecture,Physics,Science,Seminar
LOCATION:West Hall - 340
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260903T012103
DTSTART;TZID=America/Detroit:20260911T150000
DTEND;TZID=America/Detroit:20260911T170000
SUMMARY:Conference / Symposium:Maize & Blue Cupboard Volunteering
DESCRIPTION:Come help us during normal operating hours\; as well as\, unload our weekly Food Gatherers deliveries and stock our shelves! If you are outside the U-M community\, please reach out to maize.blue.cupboard@umich.edu to sign up.
UID:102102-21910757@events.umich.edu
URL:https://events.umich.edu/event/102102
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Sessions
LOCATION:Maize and Blue Cupboard inside Betsy Barbour
CONTACT:
END:VEVENT
BEGIN:VEVENT
DTSTAMP:20260817T144314
DTSTART;TZID=America/Detroit:20260911T150000
DTEND;TZID=America/Detroit:20260911T160000
SUMMARY:Presentation:NERS Colloquium: Departmental Welcome
DESCRIPTION:Xiaodong Sun\, NERS interim chair and professor\, will welcome the NERS community back for the 2026-27 academic year\, sharing departmental updates\, successes\, priorities\, and a look at what’s ahead for NERS.
UID:150328-21909020@events.umich.edu
URL:https://events.umich.edu/event/150328
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Colloquia,Nuclear,Nuclear Engineering and Radiological Sciences,Orientation
LOCATION:Cooley Building - Baer Room (2906 Cooley)
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260817T140102
DTSTART;TZID=America/Detroit:20260911T150000
DTEND;TZID=America/Detroit:20260911T163000
SUMMARY:Workshop / Seminar:Project Management Virtual Workshops
DESCRIPTION:This series includes six virtual workshops meant to build project management skills\, gain hands-on experience\, and grow your confidence leading teams through guided practice.\n\nThese will occur biweekly from September 11 to November 20\, 2026. \n\nWorkshop topics include: \n• Learning the project lifecycle and core planning tools.\n• Building a charter\, stakeholder\, and risk plan\n• Practicing leading a multidisciplinary team through a case\n• Gain confidence and transferable skills for any field\n\nAttendance is free\, and seats are limited to support close collaboration among participants.\n\nApply here by September 4th: https://docs.google.com/forms/d/e/1FAIpQLSfH4c1MkJx9s1Bl5ILhSHn-Jc7yu5TGtW3UYy3iAGjrNEj2zA/viewform
UID:150370-21909102@events.umich.edu
URL:https://events.umich.edu/event/150370
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Industrial And Operations Engineering,Workshop
LOCATION:Off Campus Location
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260810T205616
DTSTART;TZID=America/Detroit:20260911T150000
DTEND;TZID=America/Detroit:20260911T160000
SUMMARY:Lecture / Discussion:Pseudo-magnetism in a strained discrete honeycomb lattice
DESCRIPTION:Abstract: Slowly-varying nonuniform strain in honeycomb media can generate an effective pseudo-magnetic field\, even though the underlying medium is non-magnetic. This phenomenon was first discovered in graphene and later in photonic crystals\, and other physical settings. In this talk\, I will start from a discrete nearest-neighbor tight-binding model for a nonuniformly strained honeycomb medium. I will then show how this model leads to a continuum magnetic Dirac Hamiltonian that describes wave packets concentrated near a Dirac point of the undeformed structure. I will focus on unidirectional deformations with bounded gradients that preserve translation invariance along the armchair direction. In this setting\, we prove the existence of eigenmodes that behave like plane waves along the armchair direction and are strongly localized in the transverse direction\, together with quantitative correction estimates. These results apply to deformations that produce an approximately constant pseudo-magnetic field perpendicular to the plane. They also lead to nearly flat bands and\, as a consequence\, a very high density of states. These analytical results are also supported by numerical simulations of the corresponding deformations. This is joint work with Michael I. Weinstein.\n\nContact:  Ian Tobasco
UID:148873-21905035@events.umich.edu
URL:https://events.umich.edu/event/148873
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Applied Mathematics,Mathematics
LOCATION:East Hall - 1084
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260812T103351
DTSTART;TZID=America/Detroit:20260911T150000
DTEND;TZID=America/Detroit:20260911T160000
SUMMARY:Social / Informal Gathering:Sustainability Coffee Chats: Free coffee and good conversation!
DESCRIPTION:The Student Sustainability Coalition will be hosting our coffee chats throughout the semester and we want you to join us!  Passionate about sustainability?--water conservation\, AI\, carbon neutrality\, transportation\, ANYTHING!--come chat with us\, share your passion(s) and interests\, all while helping contribute to a more sustainable University of Michigan! Not to mention: WE WILL BUY YOUR DRINK!\n\nFind us at: \nMaizes Cafe every Friday from 3-4p
UID:138091-21908258@events.umich.edu
URL:https://events.umich.edu/event/138091
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Activism,Climate Change,Discussion,Food,food and the environment,Free,Free Food,Graduate and Professional Students,In Person,Social,Social Impact,Student Org,Sustainability,Talk,Undergraduate Students
LOCATION:Michigan League - Maizie's Cafe
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260903T012109
DTSTART;TZID=America/Detroit:20260911T150000
DTEND;TZID=America/Detroit:20260911T170000
SUMMARY:Conference / Symposium:Transdisciplinary Fellows (2026-2027) (Housing)
DESCRIPTION:
UID:149272-21911112@events.umich.edu
URL:https://events.umich.edu/event/149272
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Sessions
LOCATION:Faculty Dining Room
CONTACT:
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