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On static and rotating decoupled black holes without inner horizons

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arxiv 2412.01862 v1 pith:6N4IPSES submitted 2024-12-01 gr-qc hep-th

classification gr-qchep-th
keywords blackholesrotatingreissner-nordstromreissner-nordstrom-dsschwarzschildsingularitystatic
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Through gravitational decoupling using the extended minimal geometric deformation, a new family of static and rotating ``hairy'' black holes is provided. The background of these models is a generic Schwarzschild metric containing as special cases, the Schwarzschild, Schwarzschild-dS, Reissner-Nordstrom and Reissner-Nordstrom-dS black holes. Assuming the Kerr-Schild condition and a general equation of state, the unknown matter sector is solved given rise to black hole space-times without a Cauchy horizon, transforming the original time-like singularity of the Reissner-Nordstrom and Reissner-Nordstrom-dS black holes into a space-like singularity. This fact is preserved for the rotating version of all these solutions.

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Cited by 1 Pith paper

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  1. Excising Cauchy Horizons with Nonlinear Electrodynamics

    gr-qc 2025-06 conditional novelty 7.0 of 10

    For nonlinear electrodynamics with finite point-charge self-energy and strong energy condition, weakly charged black holes have Schwarzschild-like causal structure with no Cauchy horizon.

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