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Extremal black holes that are not extremal: maximal warm holes

Extremal black holes that are not extremal: maximal warm holes
Extremal black holes that are not extremal: maximal warm holes
We study a family of four-dimensional, asymptotically flat, charged black holes that develop (charged) scalar hair as one increases their charge at fixed mass. Surprisingly, the maximum charge for given mass is a nonsingular hairy black hole with nonzero Hawking temperature. The implications for Hawking evaporation are discussed.
Black Holes, Classical Theories of Gravity
1029-8479
Campos Dias, Oscar
f01a8d9b-9597-4c32-9226-53a6e5500a54
Horowitz, Gary T.
f3eee38b-fb5f-43ae-91b2-d70500e2ef73
Santos, Jorge E.
6e5a1703-a14c-4ef6-bfe4-7e4c5177c274
Campos Dias, Oscar
f01a8d9b-9597-4c32-9226-53a6e5500a54
Horowitz, Gary T.
f3eee38b-fb5f-43ae-91b2-d70500e2ef73
Santos, Jorge E.
6e5a1703-a14c-4ef6-bfe4-7e4c5177c274

Campos Dias, Oscar, Horowitz, Gary T. and Santos, Jorge E. (2022) Extremal black holes that are not extremal: maximal warm holes. Journal of High Energy Physics, 64 (1), [64]. (doi:10.1007/JHEP01(2022)064).

Record type: Article

Abstract

We study a family of four-dimensional, asymptotically flat, charged black holes that develop (charged) scalar hair as one increases their charge at fixed mass. Surprisingly, the maximum charge for given mass is a nonsingular hairy black hole with nonzero Hawking temperature. The implications for Hawking evaporation are discussed.

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Accepted/In Press date: 21 December 2021
Published date: 13 February 2022
Additional Information: Publisher Copyright: © 2022, The Author(s). Copyright: Copyright 2022 Elsevier B.V., All rights reserved.
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Keywords: Black Holes, Classical Theories of Gravity

Identifiers

Local EPrints ID: 456488
URI: http://eprints.soton.ac.uk/id/eprint/456488
DOI: doi:10.1007/JHEP01(2022)064
ISSN: 1029-8479
PURE UUID: d866950d-6052-4c89-9074-96cf9f48951c
ORCID for Oscar Campos Dias: ORCID iD orcid.org/0000-0003-4855-4750

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Date deposited: 03 May 2022 16:56
Last modified: 17 Mar 2024 03:35

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Contributors

Author: Oscar Campos Dias ORCID iD
Author: Gary T. Horowitz
Author: Jorge E. Santos

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