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Global Structure of a Black-Hole Cosmos and its Extremes
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abstract
We analyze the global structure of a family of Einstein-Maxwell solutions parametrized by mass, charge and cosmological constant. In a qualitative classification there are: (i) generic black-hole solutions, describing a Wheeler wormhole in a closed cosmos of spatial topology $S^2\times S^1$; (ii) generic naked-singularity solutions, describing a pair of ``point" charges in a closed cosmos; (iii) extreme black-hole solutions, describing a pair of ``horned" particles in an otherwise closed cosmos; (iv) extreme naked-singularity solutions, in which a pair of point charges forms and then evaporates, in a way which is not even weakly censored; and (v) an ultra-extreme solution. We discuss the properties of the solutions and of various coordinate systems, and compare with the Kastor-Traschen multi-black-hole solutions.
Forward citations
Cited by 2 Pith papers
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A note on Strong Cosmic Censorship and its violation in Reissner-Nordstr\"om de Sitter black hole space-times
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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