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Model metrics for quantum black hole evolution: Gravitational collapse, singularity resolution, and transient horizons

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arxiv 2206.06425 v2 pith:GLIAXIFT submitted 2022-06-13 gr-qc astro-ph.HE

Samantha Hergott , Viqar Husain , Saeed Rastgoo This is my paper · ORCID
classification gr-qcastro-ph.HE
keywords metricsquantumresolutionsingularityassociatedblackbouncecollapse
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abstract

It is widely accepted that curvature singularity resolution should be a feature of quantum gravity. We present a class of time-dependent asymptotically flat spherically symmetric metrics that model gravitational collapse in quantum gravity. The metrics capture intuitions associated with the dynamics of singularity resolution, and horizon formation and evaporation following a matter bounce. A parameter in the metric associated with the speed of the bounce determines black hole lifetime as a power of its mass; this includes the Hawking evaporation time $M^{3}$.

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Cited by 1 Pith paper

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  1. On a star with expanding isotropic fluid

    gr-qc 2025-04 reject novelty 2.0 of 10

    The claimed star solution is a spatially flat FLRW universe whose scale factor grows like sqrt(cosh(2kt)); its late-time de Sitter phase has Lambda=3k^2, not k^2.

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