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SUMMARY:Tadashi Takayanagi (Kyoto U)
DTSTART:20221104T000000Z
DTEND:20221104T013000Z
DTSTAMP:20260423T023021Z
UID:UKYhepth/49
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/UKYhepth/49/
 ">CFT Dual of $dS_3$ and Pseudo Entropy</a>\nby Tadashi Takayanagi (Kyoto 
 U) as part of Theoretical Physics Seminars (Kentucky)\n\n\nAbstract\nWe pr
 opose a holographic duality for gravity on a three-\ndimensional de Sitter
  space. This is essentially given by a $k=-2$ limit\nof SU(2) WZW model. W
 e show that this proposal reproduces the expected\nfree energy in de Sitte
 r gravity. We also analyze the geodesic length in\nthe three dimensional d
 e Sitter spacetime and argue that it is\ninterpreted as holographic pseudo
  entropy. We will also discuss a time-\nlike entanglement entropy in AdS/C
 FT which shares a similar property in\nterms of pseudo entropy.\n
LOCATION:https://researchseminars.org/talk/UKYhepth/49/
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