Black hole formation in perfect fluid collapse

Details Black hole formation in perfect fluid collapse Black hole formation in perfect fluid collapse

2003-10-29

arxiv.org/abs/gr-qc/0310122v1

Phys.Rev. D69 (2004) 027502

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Revtex4, To appear in Physical Review D

Scientific paper

10.1103/PhysRevD.69.027502

We construct here a special class of perfect fluid collapse models which generalizes the homogeneous dust collapse solution in order to include non-zero pressures and inhomogeneities into evolution. It is shown that a black hole is necessarily generated as end product of continued gravitational collapse, rather than a naked singularity. We examine the nature of the central singularity forming as a result of endless collapse and it is shown that no non-spacelike trajectories can escape from the central singularity. Our results provide some insights into how the dynamical collapse works, and into the possible formulations of the cosmic censorship hypothesis, which is as yet a major unsolved problem in black hole physics.

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