Topological Origin of Horizon Temperature via the Chern-Gauss-Bonnet Theorem

Fuente: arXiv
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Autori principali: Hughes, Jack C. M., Kusmartsev, Fedor V.
Natura: Preprint
Pubblicazione: 2025
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author Hughes, Jack C. M.
Kusmartsev, Fedor V.
author_facet Hughes, Jack C. M.
Kusmartsev, Fedor V.
contents This paper establishes a connection between the Hawking temperature of spacetime horizons and global topological invariants, specifically the Euler characteristic of Wick-rotated Euclidean spacetimes. This is demonstrated for both de Sitter and Schwarzschild, where the compactification of the near-horizon geometry allows for a direct application of the Chern-Gauss-Bonnet theorem. For de Sitter, a simple argument connects the Gibbon-Hawking temperature to the global thermal de Sitter temperature of the Bunch-Davies state. This establishes that spacetime thermodynamics are a consequence of the geometrical structure of spacetime itself, therefore suggesting a deep connection between global topology and semi-classical analysis.
format Preprint
id arxiv_https___arxiv_org_abs_2505_05814
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Topological Origin of Horizon Temperature via the Chern-Gauss-Bonnet Theorem
Hughes, Jack C. M.
Kusmartsev, Fedor V.
General Relativity and Quantum Cosmology
This paper establishes a connection between the Hawking temperature of spacetime horizons and global topological invariants, specifically the Euler characteristic of Wick-rotated Euclidean spacetimes. This is demonstrated for both de Sitter and Schwarzschild, where the compactification of the near-horizon geometry allows for a direct application of the Chern-Gauss-Bonnet theorem. For de Sitter, a simple argument connects the Gibbon-Hawking temperature to the global thermal de Sitter temperature of the Bunch-Davies state. This establishes that spacetime thermodynamics are a consequence of the geometrical structure of spacetime itself, therefore suggesting a deep connection between global topology and semi-classical analysis.
title Topological Origin of Horizon Temperature via the Chern-Gauss-Bonnet Theorem
topic General Relativity and Quantum Cosmology
url https://arxiv.org/abs/2505.05814