Gravitational Collapse in Constant Potential Bath

Details Gravitational Collapse in Constant Potential Bath Gravitational Collapse in Constant Potential Bath

2000-10-31

arxiv.org/abs/gr-qc/0010111v1

Phys.Rev. D63 (2001) 044010

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

LaTex 12 Pages, 2 figures. To appear in Physical Review D

Scientific paper

10.1103/PhysRevD.63.044010

We analyse here the gravitational collapse of directed null radiation in a background with a constant potential such as one produced by a star system like galaxy in which the collapsing object is immersed. Both naked singularities and black holes are shown to be developing as the final outcome of the collapse. An interesting feature that emerges is that a part of the naked singularity spectrum in collapsing Vaidya region gets covered in the corresponding dual-Vaidya region, which corresponds to the Vaidya directed null radiation sitting in constant potential bath. The implications of such a result towards the issue of stability of naked singularities are discussed.

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