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Strong cosmic censorship in de Sitter space

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arxiv 1801.09694 v1 pith:7KJVK25R submitted 2018-01-29 gr-qc hep-th

Oscar J.C. Dias , Felicity C. Eperon , Harvey S. Reall , Jorge E. Santos This is my paper · ORCID
classification gr-qchep-th
keywords blackcensorshipcosmicsitterstrongdecayholeholes
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Recent work indicates that the strong cosmic censorship hypothesis is violated by nearly extremal Reissner-Nordstrom-de Sitter black holes. It was argued that perturbations of such a black hole decay sufficiently rapidly that the perturbed spacetime can be extended across the Cauchy horizon as a weak solution of the equations of motion. In this paper we consider the case of Kerr-de Sitter black holes. We find that, for any non-extremal value of the black hole parameters, there are quasinormal modes which decay sufficiently slowly to ensure that strong cosmic censorship is respected. Our analysis covers both scalar field and linearized gravitational perturbations.

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Cited by 6 Pith papers

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

  1. 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.

  2. Spectral Bifurcations in Quasinormal Modes of Regular BTZ Black Holes

    gr-qc 2026-03 conditional novelty 6.0 of 10

    For regular BTZ black holes from an infinite Lovelock tower, scalar quasinormal modes bifurcate from complex BTZ branches into purely imaginary branches as the regularization length ℓ grows, producing mode switching a...

  3. Non-oscillatory gravitational quasinormal modes of Reissner-Nordstr\"om-de Sitter spacetime

    gr-qc 2025-06 conditional novelty 6.0 of 10

    Purely imaginary gravitational quasinormal modes of Reissner-Nordström-de Sitter black holes are computed and shown to obey a universal small-hole formula and to generate late-time exponential tails.

  4. Strong Cosmic Censorship in Horndeski Theory

    gr-qc 2019-08 conditional novelty 6.0 of 10

    For scalar fields with non-minimal derivative coupling on Reissner-Nordström-de Sitter black holes, strong cosmic censorship is violated only when the ratio β exceeds 3/2 instead of 1/2, and small near-extremal black ...

  5. Quasinormal frequencies in Reissner-Nordstr\"om de Sitter black holes: constraints from space-time and scalar field parameters

    gr-qc 2025-01 conditional novelty 4.0 of 10

    For charged, massive scalar fields around Reissner-Nordström de Sitter black holes, the effective potential has a single barrier for ℓ≥1, and the critical mass below which damping is anomalous is ℓ-independent for zer...

  6. A note on Strong Cosmic Censorship and its violation in Reissner-Nordstr\"om de Sitter black hole space-times

    gr-qc 2025-01 conditional novelty 4.0 of 10

    A WKB-based scan of quasinormal mode decay rates shows Strong Cosmic Censorship is violated in a region of the Reissner-Nordström de Sitter parameter space near extremality.

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