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SUMMARY:A census of conformal defects - William Pannell (King's College Lo
 ndon)
DTSTART:20251127T140000Z
DTEND:20251127T153000Z
UID:TALK241240@talks.cam.ac.uk
DESCRIPTION:There has recently been considerable interest in describing th
 e universality classes that can live on impurities within an otherwise con
 formal system. A number of these defects\, such as the magnetic line defec
 t in the O(N) model\, have been studied extensively\, but a more complete 
 list of such theories is lacking. In this talk I will detail a series of r
 ecent works advancing a partial classification of lines\, surfaces and int
 erfaces appearing in scalar\, and scalar-fermion bulks in d=4-&epsilon\;. 
 I will then discuss various generalizations of these defects\, such as com
 posite defects as well as defects lying within an RG interface between bul
 k universality classes.
LOCATION:Seminar Room 2\, Newton Institute
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