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SUMMARY:An Invitation to Cauchy Slice Holography - Rifath Khan (DAMTP)
DTSTART:20220513T120000Z
DTEND:20220513T130000Z
UID:TALK173699@talks.cam.ac.uk
CONTACT:Prahar Mitra
DESCRIPTION:In the Canonical theory of Quantum Gravity\, states are given 
 by the superposition of geometries on a Cauchy slice\, called the Wheeler-
 DeWitt (WDW) states. On the other hand\, the Holographic principle states 
 that quantum gravity in d+1 spacetime dimensions is the same as a quantum 
 field theory in d spacetime dimensions. In this talk\, I will briefly revi
 ew both of these and will explain how to reformulate canonical quantum gra
 vity as a holographic theory by defining a new holographic dictionary that
  maps any state of the boundary field theory to a bulk WDW state. This als
 o reformulates the holographic principle in a way that the dual field theo
 ry now lives on Cauchy slices of the bulk. I will then explain why this is
  a manifestly background independent theory of "effective" quantum gravity
 . Time permitting\, I will also discuss possible implications for the blac
 k hole information paradox\, holographic cosmology and UV completion of qu
 antum gravity. Based on work with Goncalo Araujo-Regado and Aron C. Wall: 
 arXiv:2204.00591.
LOCATION:Potter room
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