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Static and rotating electrically charged black holes in three-dimensional Brans-Dicke gravity theories

Static and rotating electrically charged black holes in three-dimensional Brans-Dicke gravity theories
Static and rotating electrically charged black holes in three-dimensional Brans-Dicke gravity theories
We obtain static and rotating electrically charged black holes of a Einstein-Maxwell-dilaton theory of the Brans-Dicke type in 2+1 dimensions. The theory is specified by three fields, the dilaton φ, the graviton gμν and the electromagnetic field Fμν, and two parameters, the cosmological constant Λ and the Brans-Dicke parameter ω. It contains eight different cases, of which one distinguishes as special cases string theory, general relativity and a theory equivalent to four dimensional general relativity with one Killing vector. We find the Arnowitt-Derer-Misner mass, angular momentum, electric charge and dilaton charge and compute the Hawking temperature of the solutions. Causal structure and geodesic motion of null and timelike particles in the black hole geometries are studied in detail.
Dias, Oscar J.C.
f01a8d9b-9597-4c32-9226-53a6e5500a54
Lemos, Jose P.S.
4e94199c-42b9-4592-9da9-f5035913088c
Dias, Oscar J.C.
f01a8d9b-9597-4c32-9226-53a6e5500a54
Lemos, Jose P.S.
4e94199c-42b9-4592-9da9-f5035913088c

Dias, Oscar J.C. and Lemos, Jose P.S. (2001) Static and rotating electrically charged black holes in three-dimensional Brans-Dicke gravity theories. Phys.Rev.D, 64 (6), [064001]. (doi:10.1103/PhysRevD.64.064001).

Record type: Article

Abstract

We obtain static and rotating electrically charged black holes of a Einstein-Maxwell-dilaton theory of the Brans-Dicke type in 2+1 dimensions. The theory is specified by three fields, the dilaton φ, the graviton gμν and the electromagnetic field Fμν, and two parameters, the cosmological constant Λ and the Brans-Dicke parameter ω. It contains eight different cases, of which one distinguishes as special cases string theory, general relativity and a theory equivalent to four dimensional general relativity with one Killing vector. We find the Arnowitt-Derer-Misner mass, angular momentum, electric charge and dilaton charge and compute the Hawking temperature of the solutions. Causal structure and geodesic motion of null and timelike particles in the black hole geometries are studied in detail.

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More information

e-pub ahead of print date: 16 August 2001
Published date: 15 September 2001
Additional Information: ©2001 American Physical Society

Identifiers

Local EPrints ID: 468171
URI: http://eprints.soton.ac.uk/id/eprint/468171
PURE UUID: 6c4c04af-7f6d-4c6e-86fc-aa8ac35130f0
ORCID for Oscar J.C. Dias: ORCID iD orcid.org/0000-0003-4855-4750

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Date deposited: 04 Aug 2022 16:40
Last modified: 05 Aug 2022 01:46

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Contributors

Author: Oscar J.C. Dias ORCID iD
Author: Jose P.S. Lemos

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