Journal
CANADIAN JOURNAL OF PHYSICS
Volume 95, Issue 12, Pages 1253-1256Publisher
CANADIAN SCIENCE PUBLISHING
DOI: 10.1139/cjp-2017-0254
Keywords
Reissner-Nordstrom black hole; Rastall theory of gravity; black hole solutions; static black hole solutions; charged black holes
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Funding
- Research Institute for Astronomy and Astrophysics of Maragha (RIAAM) [1/4717-47]
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The Reissner-Nordstrom black hole solution in a generic cosmological constant background in the context of Rastall gravity is obtained. It is shown that the cosmological constant arises naturally from the consistency of the non-vacuum field equations of the Rastall theory for a spherical symmetric space-time, rather than its ad hoc introduction in the usual Einstein and Einstein-Maxwell field equations. The usual Reissner-Nordstrom, Schwarzschild, and Schwarzschild - (anti-) de Sitter black hole solutions in the framework of this theory are also addressed as the special independent subclasses of the obtained general solution.
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