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SUMMARY:Phil Szepietowski: Alternative boundary conditions in AdS\, one-lo
op determinants and WCFTs
DTSTART;VALUE=DATE-TIME:20170515T080000Z
DTEND;VALUE=DATE-TIME:20170515T090000Z
DTSTAMP;VALUE=DATE-TIME:20211207T151300Z
UID:indico-contribution-7204@indico.nbi.ku.dk
DESCRIPTION:I will discuss the computation of the graviton one-loop determ
inant in the BTZ black hole background with certain chiral boundary condit
ions at the AdS boundary. These boundary conditions were proposed by Compe
re\, Song and Strominger and were shown to modify the asymptotic symmetry
algebra from a sum of left and right Virasoro algebras to a single right-m
oving Virasoro U(1) Kac-Moody. This implies that the holographic dual desc
ription possesses such global symmetry and so should be described by a war
ped conformal field theory (WCFT) instead of a standard CFT. In the talk I
will overview the new boundary conditions and the concept of a WCFT\, out
line the computational method of obtaining the one-loop determinant from t
he "quasinormal" mode spectrum (highlighting elements which are unique to
the new boundary conditions) and discuss the implications of the results f
or the boundary field theory.\nhttps://indico.nbi.ku.dk/event/979/contribu
tions/7204/
LOCATION:Auditorium A (Niels Bohr Institute)
RELATED-TO:indico-event-979@indico.nbi.ku.dk
URL:https://indico.nbi.ku.dk/event/979/contributions/7204/
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