Corotating Binary Systems Of Identical Kerr-Newman Black Holes
PHYSICS LETTERS B(2020)
摘要
In the present paper binary configurations of identical corotating Kerr-Newman black holes separated by a massless strut are derived and studied. After solving the axis conditions and establishing the absence of magnetic charges in the solution, one gets two 4-parametric corotating binary black hole models endowed with electric charge, where each source contains equal/opposite electric charge in the first/second configuration. Since the black hole horizons are given by concise expressions in terms of physical parameters, all their thermodynamical properties satisfying the Smarr relation for the mass are also obtained. We discuss the physical limits of both models. (C) 2020 The Authors. Published by Elsevier B.V.
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关键词
Corotating binary system, Kerr-Newman black holes, Smarr formula
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