Volume 436 - Corfu Summer Institute 2022 "School and Workshops on Elementary Particle Physics and Gravity" (CORFU2022) - Workshop on Features of a Quantum de Sitter Universe
Characters, Quasinormal Modes, and Quantum de Sitter Thermodynamics
Y.T.A. Law
Full text: pdf
Published on: November 08, 2023
Abstract
In this short note, we review some recent progress in understanding the 1-loop corrections to the
Gibbons-Hawking entropy, which amounts to studying free fields on the de Sitter static patch and
the round sphere. After briefly surveying the unitary irreducible representations of the de Sitter
group SO(1,d+1) and their Harish-Chandra characters, we discuss the Lorentzian interpretation
for the 1-loop sphere path integral for a scalar. After that we comment on how the results are
modified by edge contributions for spinning fields.
DOI: https://doi.org/10.22323/1.436.0130
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