The Shah-Vaidya charged cosmological black hole metric is shown to be an exact solution of Einstein-Maxwell equations with a cuscuton field, and its causal structure is classified into four parameter regions with different horizon counts and naked singularities.
Static Charged Black Hole Solutions in Horava-Lifshitz Gravity
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abstract
In the present work, we search static charged black hole solutions to Ho\v{r}ava-Lifshitz gravity with or without projectability condition. We consider the most general form of action which electromagnetic field couples with Ho\v{r}ava-Lifshitz gravity. With the projectability condition, we find dS-Reissner-Nordstrom black hole solution in Painlev\'e-Gullstrand type coordinates in the IR region and a de-Sitter space-time solution in the UV region. Without the projectability condition, in the IR region, we find an especial static charged black hole solution.
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gr-qc 1years
2019 1verdicts
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Charged cosmological black holes: a thorough study of a family of solutions
The Shah-Vaidya charged cosmological black hole metric is shown to be an exact solution of Einstein-Maxwell equations with a cuscuton field, and its causal structure is classified into four parameter regions with different horizon counts and naked singularities.