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Semiclassical Approach to Black Hole Evaporation

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arxiv hep-th/9209008 v1 pith:XPBMHENF submitted 1992-09-02 hep-th gr-qc

classification hep-thgr-qc
keywords blackdimensionalevaporationholecghsmodelmodelsnaked
verification ladder T0 review T1 audit T2 compute T3 formal
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Black hole evaporation may lead to massive or massless remnants, or naked singularities. This paper investigates this process in the context of two quite different two dimensional black hole models. The first is the original CGHS model, the second is another two dimensional dilaton-gravity model, but with properties much closer to physics in the real, four dimensional, world. Numerical simulations are performed of the formation and subsequent evaporation of black holes and the results are found to agree qualitatively with the exactly solved modified CGHS models, namely that the semiclassical approximation breaks down just before a naked singularity appears.

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Cited by 2 Pith papers

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  1. Entanglement Revivals and Scrambling for Evaporating Black Holes

    hep-th 2026-04 unverdicted novelty 7.0 of 10

    Increasing black hole scrambling time in JT and RST evaporating geometries suppresses and eliminates late-time entanglement revivals in 2d CFT mutual information for disjoint intervals, interpolating between quasipart...

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    gr-qc 2024-12 conditional novelty 6.0 of 10

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