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01.01.1970 (Thursday)

TP From Bekenstein-Hawking to Gibbons-Hawking via Hawking-Page

regular seminar Ronak Soni (DAMTP Cambridge University)

at:
13:00 - 14:00
KCL, Strand
room: Bush house SE2.10
abstract:

We obtain microstates accounting for the Gibbons-Hawking entropy in $dS_3$,along with a subleading logarithmic correction, from the solvable $T\bar T+\Lambda_2$ deformation of a seed CFT with sparse light spectrum. The microstates arise as the dressed CFT states near dimension $\Delta=c/6$, associated with the Hawking-Page transition\DSEMIC they dominate the real spectrum of the deformed theory. We exhibit an analogue of the Hawking-Page transition in de Sitter. Appropriate generalizations of the $T\bar T+\Lambda_2$ deformation are required to treat model-dependent local bulk physics (subleading at large central charge) and higher dimensions. These results add considerably to the already strong motivation for the continued pursuit of such generalizations along with a more complete characterization of $T\bar T$ type theories, building from existing results in these directions.
Based on arXiv:2110.14670

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