Near-extremal and extremal charged black holes can be described by an effective metric built from the proper time of an infalling observer, with explicit consistency constraints on the deformation parameters.
Existence of Reissner-Nordstrom type black holes in f(R) gravity
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abstract
We investigate the existence of Reissner-Nordstr\"om (RN) type black holes in f(R) gravity. Our emphasis is to derive, in the presence of electrostatic source, the necessary conditions which provide such static, spherically symmetric (SSS) black holes available in f(R) gravity. We also study the thermodynamics of the black hole solution.
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gr-qc 1years
2025 1verdicts
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Effective Metric Description of Charged Black Holes
Near-extremal and extremal charged black holes can be described by an effective metric built from the proper time of an infalling observer, with explicit consistency constraints on the deformation parameters.