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SUMMARY:Quantum Entropy\,  Entanglement and Black holes - Atish Dabholkar 
 (Abdus Salam International Centre for Theoretical Physics)
DTSTART:20230904T093000Z
DTEND:20230904T110000Z
UID:TALK204169@talks.cam.ac.uk
DESCRIPTION:In the first part\, I review progress over the past decade and
  more recent one in computing the exact quantum entropy of certain supersy
 mmetric black holes including all perturbative and non-perturbative correc
 tions to the Bekenstein-Hawking entropy in precise agreement with integral
  microscopic degeneracies.&nbsp\;\nThe agreement requires a nontrivial int
 erplay between topics in number theory such the Rademacher expansion and K
 loosterman sums and topics field theory such as localization in supergravi
 ty and Chern-Simons theory.\nIn the second part\, I describe recent result
 s in defining&nbsp\; classical and quantum entanglement entropy in string 
 theory using the orbifold method and discuss the physical motivations from
  holography and black hole physics.
LOCATION:Discussion Room\, Newton Institute
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