Depletion of energy from Naked Singular regions during gravitational collapse

Details Depletion of energy from Naked Singular regions during gravitational collapse Depletion of energy from Naked Singular regions during gravitational collapse

2010-04-18

arxiv.org/abs/1004.3035v2

Phys.Rev.D84:024001,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages, 1 EPS figure, revised version accepted for publication in PRD

Scientific paper

10.1103/PhysRevD.84.024001

A distinguishable and observable physical property of Naked Singular Regions of the spacetime formed during a gravitational collapse has important implications for both experimental and theoretical relativity. We examine here whether energy can escape physically from naked singular regions to reach either a local or a distant observer within the framework of general relativity. We find that in case of imploding null dust collapse scenarios field outgoing singular null geodesics including the cauchy horizon can be immersed between two Vaidya spacetimes as null boundary layers with non vanishing positive energy density. Thus energy can transported from the naked singularity to either a local or a distant observer. And example illustrating that similar considerations can be applied to dust models is given.

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