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Strong Cosmic Censorship for a Scalar Field in a Born-Infeld-de Sitter Black Hole

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arxiv 1907.04466 v2 pith:VDOOIKXD submitted 2019-07-10 hep-th gr-qc

Qingyu Gan , Guangzhou Guo , Peng Wang , Houwen Wu This is my paper · ORCID
classification hep-thgr-qc
keywords blackholesitterborn-infeld-decensorshipcosmicfieldscalar
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It has been shown that the Strong Cosmic Censorship (SCC) can be violated by a scalar field in a near-extremal Reissner-Nordstrom-de Sitter black hole. In this paper, we investigate the Strong Cosmic Censorship in a Born-Infeld-de Sitter black hole by a scalar perturbation field with/without a charge. When the Born-Infeld parameter b becomes small, the nonlinear electrodynamics effect starts to play an important role and tends to rescue SCC. Specifically, we find that the SCC violation region decreases in size with decreasing b. Moreover, for a sufficiently small b, SCC can always be restored in a near-extremal Born-Infeld-de Sitter black hole with a fixed charge ratio.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Rotating Black Holes in Einstein-Born-Infeld Theory

    gr-qc 2025-07 conditional novelty 7.0 of 10

    Exact rotating charged Einstein-Born-Infeld black holes are constructed numerically; they show charge-dependent extremal or naked-singularity endpoints, gyromagnetic ratio above 2, and ISCO radii below Kerr-Newman values.

  2. Scalar perturbations and strong cosmic censorship in a regular ABGB-de Sitter black hole spacetime

    gr-qc 2026-07 conditional novelty 6.0 of 10

    In regular ABGB-de Sitter black holes, near-extremal scalar perturbations decay fast enough (β>1/2) to violate strong cosmic censorship, and adding scalar mass can push the regularity parameter past β=1.

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