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SUMMARY:The Hilbert space of de Sitter quantum gravity - Victor Godet\, TI
 FR
DTSTART:20230504T120000Z
DTEND:20230504T130000Z
UID:TALK200083@talks.cam.ac.uk
CONTACT:Jackson Fliss
DESCRIPTION:I will describe how the Wheeler-DeWitt equation can be solved 
 in the late-time expansion of an asymptotically de Sitter spacetime. The p
 hysical states are found to be wavefunctionals with the same symmetries as
  CFT partition functions\, so that the Hilbert space is "theory space." Th
 e inner product can be defined using a suitable procedure to gauge-fix the
  Weyl and diffeomorphism invariance\, in which an important role is played
  by the residual conformal symmetry. I will discuss how cosmological corre
 lators can be interpreted as gauge-fixed observables and satisfy a cosmolo
 gical version of the holography of information.\n
LOCATION:Potter Room\, DAMTP
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