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Spinning black binaries in de Sitter space

Spinning black binaries in de Sitter space
Spinning black binaries in de Sitter space

We numerically construct stationary, rotating black binaries in general relativity with a positive cosmological constant. We consider identical black holes with either aligned or anti-aligned spins. Both cases have less entropy than the corresponding single Kerr-Schwarzschild-de Sitter black hole with the same total angular momentum and cosmological horizon entropy. Our solutions establish continuous nonuniqueness in general relativity without matter. They also provide initial data for the spinning binary merger problem (when orbital angular momentum is added).

1079-7114
Dias, Óscar j.C.
f01a8d9b-9597-4c32-9226-53a6e5500a54
Santos, Jorge E.
6e5a1703-a14c-4ef6-bfe4-7e4c5177c274
Way, Benson
1e1e0adb-944f-4f8c-86b2-deea894e99b4
Dias, Óscar j.C.
f01a8d9b-9597-4c32-9226-53a6e5500a54
Santos, Jorge E.
6e5a1703-a14c-4ef6-bfe4-7e4c5177c274
Way, Benson
1e1e0adb-944f-4f8c-86b2-deea894e99b4

Dias, Óscar j.C., Santos, Jorge E. and Way, Benson (2024) Spinning black binaries in de Sitter space. Physical Review Letters, 133 (19), [191401]. (doi:10.1103/PhysRevLett.133.191401).

Record type: Article

Abstract

We numerically construct stationary, rotating black binaries in general relativity with a positive cosmological constant. We consider identical black holes with either aligned or anti-aligned spins. Both cases have less entropy than the corresponding single Kerr-Schwarzschild-de Sitter black hole with the same total angular momentum and cosmological horizon entropy. Our solutions establish continuous nonuniqueness in general relativity without matter. They also provide initial data for the spinning binary merger problem (when orbital angular momentum is added).

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2406.10333v1 - Accepted Manuscript
Available under License Creative Commons Attribution.
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Accepted/In Press date: 7 October 2024
Published date: 8 November 2024

Identifiers

Local EPrints ID: 497408
URI: http://eprints.soton.ac.uk/id/eprint/497408
ISSN: 1079-7114
PURE UUID: 14b487bb-cfba-4286-8078-26fb08b404b1
ORCID for Óscar j.C. Dias: ORCID iD orcid.org/0000-0003-4855-4750

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Date deposited: 22 Jan 2025 17:38
Last modified: 23 Jan 2025 02:47

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Contributors

Author: Jorge E. Santos
Author: Benson Way

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