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Future-null singularity due to gravitational collapse

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arxiv 2310.01222 v2 pith:LKVXPZRU submitted 2023-10-02 gr-qc

classification gr-qc
keywords singularitycollapsegravitationalcasecasescausalend-statespacetime
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In the case of unhindered gravitational collapse of matter cloud governed by the Lemaitre-Tolman-Bondi (LTB) spacetime, the end-state singularity is either locally visible, globally visible or completely hidden. We have a past-null singularity in the first two cases while a future-spacelike singularity in the last case. Here, we show an example of a gravitational collapse model whose end-state is a future-null-singularity (it has a causal property that is unlike the cases involving LTB spacetime). We depict such a distinct causal structure of the singularity by conformal diagrams.

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Cited by 1 Pith paper

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  1. Formation of the Kerr black hole: an exact model

    gr-qc 2026-08 conditional novelty 5.0 of 10

    A family of metrics interpolating between regular Schwarzschild and Kerr black holes is proposed as an exact model of the final stage of rotating collapse.

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