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Quantum Hair During Gravitational Collapse

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arxiv 2305.09466 v1 pith:6TYJO5NA submitted 2023-05-16 hep-th gr-qc

Xavier Calmet , Roberto Casadio , Stephen D.H. Hsu , Folkert Kuipers This is my paper · ORCID
classification hep-thgr-qc
keywords quantumcollapsehaircorrectionsgravitationalmetricresultsthroughout
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We consider quantum gravitational corrections to the Oppenheimer-Snyder metric describing time-dependent dust ball collapse. The interior metric also describes Friedmann-Lemaitre-Robertson-Walker cosmology and our results are interpreted in that context. The exterior corrections are an example of quantum hair, and are shown to persist throughout the collapse. Our results show the quantum hair survives throughout the horizon formation and that the internal state of the resulting black hole is accessible to outside observers.

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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. Coherent quantum hairy black holes from gravitational decoupling: regularity, geodesics, and scalar ringdown

    hep-th 2026-02 conditional novelty 6.0 of 10

    Gaussian-smearing the gravitational-decoupling hairy black hole produces a regular core and modified photon rings, lensing, and a claimed but absent ringdown spectrum.

  2. Nonlocal effective action and particle creation in $D$ dimensions

    hep-th 2024-12 accept novelty 6.0 of 10

    The vacuum-persistence probability for a quantum field in a weak gravitational background is computed to second order in curvatures in D dimensions; conformal fields in conformally flat spacetimes do not create partic...

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