Addendum to "Strong cosmic censorship: The nonlinear story"
arXiv:2012.08413 · doi:10.1103/PhysRevD.103.104043
Abstract
We clarify a number of issues that arise when extending the analysis of Strong Cosmic Censorship (SCC) to perturbations of highly charged Reissner-Nordström de Sitter (RNdS) spacetimes. The linear stability of the Cauchy horizon can be determined from the spectral gap of quasinormal modes, thus giving a clear idea of the ranges of parameters that are likely to lead to SCC violations for infinitesimally small perturbations. However, the situation becomes much more subtle once nonlinear backreaction is taken into account. These subtleties have created a considerable amount of confusion in the literature regarding the conclusions one is able to derive about SCC from the available numerical simulations. Here we present new numerical results concerning charged self-gravitating scalar fields in spherical symmetry, correct some previous claims concerning the neutral case, and argue that the existing numerical codes are insufficient to draw conclusions about the potential failure of SCC for near extremal RNdS black hole spacetimes.
arXiv comment4 pages, 2 figures. Updates title to match published version
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Cited by in corpus (5)
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- Glimpses of Violation of Strong Cosmic Censorship in Rotating Black Holes
- Infinite quantum twisting at the Cauchy horizon of rotating black holes
- Overdamped quasibound states inside a Schwarzschild black hole
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