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SUMMARY:Wenjie Ji (UCSB)
DTSTART:20230328T140000Z
DTEND:20230328T150000Z
DTSTAMP:20260423T035411Z
UID:SymSem/32
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SymSem/32/">
 Recent progress in the symmetry/topological order correspondence</a>\nby W
 enjie Ji (UCSB) as part of Symmetry Seminar\n\n\nAbstract\nIn this talk\, 
 we discuss some recent progress in the symmetry/topological order correspo
 ndence. The correspondence basically says that topological aspects of a di
 screte symmetry in d dimensions are captured by topological data in a topo
 logical order in d+1 dimensions. The topological aspects of symmetry inclu
 de but are not limited to symmetry charges\, defects\, their fusion rules 
 as well as commutation relations. We will discuss (1) how a beyond-Landau 
 transition is solved using the correspondence (arXiv: 2205.06244) and (2) 
 in practice how we derive a topological order for a given symmetry in a 1+
 1d conformal field theory (arXiv:2106.02069). For the latter\, two cases a
 re particularly interesting: (i) when the symmetry is anomalous\, (ii) aft
 er the CFT is matched with a topological order\, there is a further symmet
 ry that enriches the topological order. If time allowed\, we discuss the s
 imilarities and relations of our setting with that proposed by Freed\, Moo
 re\, and Teleman.\n
LOCATION:https://researchseminars.org/talk/SymSem/32/
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