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arxiv: gr-qc/9504008 · v1 · submitted 1995-04-05 · 🌀 gr-qc

Non-Universality of Critical Behaviour in Spherically Symmetric Gravitational Collapse

classification 🌀 gr-qc
keywords criticalbehaviourgammagravitationalparametersphericallysymmetricassumed
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The aim of the present letter is to explain the `critical behaviour' observed in numerical studies of spherically symmetric gravitational collaps of a perfect fluid. A simple expression results for the critical index $\gamma$ of the black hole mass considered as an order parameter. $\gamma$ turns out to vary strongly with the parameter $k$ of the assumed equation of state $p=k\rho$.

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    gr-qc 2025-09 unverdicted novelty 7.0

    Semiclassical quantum corrections in critical collapse yield a finite mass gap and transition from classical Type II to quantum Type I behavior, providing a quantum enforcement of weak cosmic censorship.