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Magnetic point sources in three-dimensional Brans-Dicke gravity theories

Magnetic point sources in three-dimensional Brans-Dicke gravity theories
Magnetic point sources in three-dimensional Brans-Dicke gravity theories
We obtain geodesically complete spacetimes generated by static and rotating magnetic point sources in an Einstein-Maxwell-dilaton theory of the Brans-Dicke type in three dimensions (3D). 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<0 and the Brans-Dicke parameter ω. For ω=±∞, our solution reduces to the magnetic counterpart of the BTZ solution, while the ω=0 case is equivalent to 4D general relativity with one Killing vector. The source for the magnetic field can be interpreted as composed by a system of two symmetric and superposed electric charges. One of the electric charges is at rest and the other is spinning.
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. (2002) Magnetic point sources in three-dimensional Brans-Dicke gravity theories. Phys.Rev.D, 66 (2), [024034]. (doi:10.1103/PhysRevD.66.024034).

Record type: Article

Abstract

We obtain geodesically complete spacetimes generated by static and rotating magnetic point sources in an Einstein-Maxwell-dilaton theory of the Brans-Dicke type in three dimensions (3D). 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<0 and the Brans-Dicke parameter ω. For ω=±∞, our solution reduces to the magnetic counterpart of the BTZ solution, while the ω=0 case is equivalent to 4D general relativity with one Killing vector. The source for the magnetic field can be interpreted as composed by a system of two symmetric and superposed electric charges. One of the electric charges is at rest and the other is spinning.

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More information

Published date: 15 July 2002
Additional Information: ©2002 American Physical Society

Identifiers

Local EPrints ID: 468167
URI: http://eprints.soton.ac.uk/id/eprint/468167
PURE UUID: f1a80111-e655-4e2f-a5b7-9c55726368f5
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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