Regular black holes represent a conservative model in which the classical singularity is replaced by a non-singular core without necessarily modifying the spacetime outside the trapping horizon. Given the possible lack of phenomenological signatures, it is crucial to study the consistency of the model. In this short work, we review the physical mechanism leading to the instability of the central core, arguing that that non-perturbative backreation is non-negligible and must be taken into account to provide a meaningful description of physical black holes.

On the Inner Horizon Instability of Non-Singular Black Holes / Di Filippo, F.; Carballo-Rubio, R.; Liberati, S.; Pacilio, C.; Visser, M.. - In: UNIVERSE. - ISSN 2218-1997. - 8:4(2022), pp. 1-9. [10.3390/universe8040204]

On the Inner Horizon Instability of Non-Singular Black Holes

Di Filippo, F.;Liberati, S.;Pacilio, C.;Visser, M.
2022

Abstract

Regular black holes represent a conservative model in which the classical singularity is replaced by a non-singular core without necessarily modifying the spacetime outside the trapping horizon. Given the possible lack of phenomenological signatures, it is crucial to study the consistency of the model. In this short work, we review the physical mechanism leading to the instability of the central core, arguing that that non-perturbative backreation is non-negligible and must be taken into account to provide a meaningful description of physical black holes.
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https://doi.org/10.3390/universe8040204
https://arxiv.org/abs/2203.14516
Di Filippo, F.; Carballo-Rubio, R.; Liberati, S.; Pacilio, C.; Visser, M.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/20.500.11767/128380
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