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SUMMARY:Horizon constraints and pole skipping in 2d - David Ramirez\, Univ
 ersity of Cambridge
DTSTART:20250306T130000Z
DTEND:20250306T140000Z
UID:TALK225286@talks.cam.ac.uk
CONTACT:122734
DESCRIPTION:In holographic systems\, the presence of an event horizon\, an
 d the behavior of bulk fields around it\, can lead to curious features in 
 the observables of the dual QFT. For example\, recent work has demonstrate
 d how holographic thermal Green's functions may not be uniquely defined at
  specific complex values of frequency and momentum\, a phenomenon referred
  to as pole skipping. Pole skipping\, which can be seen directly from the 
 near-horizon behavior of bulk fluctuations\, provides non-trivial constrai
 nts on the dual QFT\, and\, in certain cases\, is tied to hydrodynamic and
  chaotic phenomena. In this talk\, after a brief overview of the gravitati
 onal origin of this behavior\, I'll discuss how pole skipping can emerge d
 irectly from field theory analysis in simple two-dimensional cases and con
 sequences for its chaotic interpretations.
LOCATION:Potter Room (B1.19)
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