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SUMMARY:Unimodular JT gravity and de Sitter quantum cosmology - Farbod Ras
 souli\, University of Nottingham
DTSTART:20250207T130000Z
DTEND:20250207T140000Z
UID:TALK225868@talks.cam.ac.uk
CONTACT:Xi Tong
DESCRIPTION:In this talk\, I will show how a gauge-theoretic approach to J
 ackiw–Teitelboim (JT) gravity naturally yields a two-dimensional Henneau
 x–Teitelboim (HT) unimodular theory\, applicable to both flat and curved
  spacetimes. Under a mini-superspace reduction\, the Wheeler–DeWitt equa
 tion becomes a Schrödinger-like equation admitting a consistent\, unitary
  quantum description. The resulting wavefunction describes a quantum distr
 ibution for the scale factor\, illuminating cosmic expansion and contracti
 on\, and allowing topology change at a=0.
LOCATION:Potter room / https://cam-ac-uk.zoom.us/j/87235967698
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