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DTSTART:20211210T020000Z
DTEND:20211210T023000Z
DTSTAMP:20210916T184400Z
CREATED:20210917
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TRANSP:OPAQUE
SUMMARY:Puzzles with Chiral Symmetries in Two Dimensions
DESCRIPTION:\nIPMU Postdoc Colloquium Series\n\n\n\nSpeaker:Philip Boyle SmithTitle:Puzzles with Chiral Symmetries in Two Dimensions Date (JST):Fri, Dec 10, 2021, 11:00 – 11:30Place:ZoomAbstract:Fermions in even spacetime dimension admit symmetry groups under which the two chiralities of fermion transform differently, for example the SU(3) × SU(2) × U(1) symmetry of the Standard Model.For such a symmetry, we can ask several questions. Can we write down symmetry-preserving interactions that gap the theory? Can we write down symmetry-preserving boundary conditions? Can we realise the theory in a lattice model where the symmetry is exact? On-site? These questions hold the answers to many famous problems, such as the fermion doubling problem and the Callan-Rubakov effect.We will examine the relations between these problems, the progress on them so far, some new approaches, and show that for some of them an answer is still not known, even in principle.Contact:https://ipmu.zoom.us/webinar/register/WN_VTTp-bOdQY6GHCMDQrFVIg ( https://ipmu.zoom.us/webinar/register/WN_VTTp-bOdQY6GHCMDQrFVIg )Remarks:IPMU Postdoc Colloquium SeriesRegistration necessary from here: https://ipmu.zoom.us/webinar/register/WN_VTTp-bOdQY6GHCMDQrFVIg\n\n\n\n\n
URL:https://ipmu.zoom.us/webinar/register/WN_VTTp-bOdQY6GHCMDQrFVIg
ORGANIZER;CN=(IPMU) The Kavli Institute for Physics and Mathematics of the Universe at the University of Tokyo:MAILTO:
CATEGORIES:Astrophysics
LOCATION:Virtual
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