Black hole thermodynamics is gauge independent

Fuente: arXiv
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Main Authors: Ramirez, O., Bonder, Y.
Format: Preprint
Published: 2025
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author Ramirez, O.
Bonder, Y.
author_facet Ramirez, O.
Bonder, Y.
contents Black hole thermodynamics provides a rare window into the elusive quantum nature of gravity. In the first-order formalism for gravitational theories, where torsion and gauge freedom are present, it has been suggested that the first law of black hole thermodynamics requires a specific gauge choice, which would undermine its fundamental character. By using principal fiber bundles, it has been shown that the first law is independent of this gauge choice. The present work introduces an alternative method that establishes this independence in a more direct manner, thereby reinforcing the status of the first law as a guide toward quantum gravity. This method also facilitates explicit computations of the first law and helps resolve several ambiguities that commonly appear in such analyses.
format Preprint
id arxiv_https___arxiv_org_abs_2512_11196
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Black hole thermodynamics is gauge independent
Ramirez, O.
Bonder, Y.
General Relativity and Quantum Cosmology
Black hole thermodynamics provides a rare window into the elusive quantum nature of gravity. In the first-order formalism for gravitational theories, where torsion and gauge freedom are present, it has been suggested that the first law of black hole thermodynamics requires a specific gauge choice, which would undermine its fundamental character. By using principal fiber bundles, it has been shown that the first law is independent of this gauge choice. The present work introduces an alternative method that establishes this independence in a more direct manner, thereby reinforcing the status of the first law as a guide toward quantum gravity. This method also facilitates explicit computations of the first law and helps resolve several ambiguities that commonly appear in such analyses.
title Black hole thermodynamics is gauge independent
topic General Relativity and Quantum Cosmology
url https://arxiv.org/abs/2512.11196