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NAKED SINGULARITIES IN THE CHARGED VAIDYA–De SITTER SPACETIME

A. BEESHAM

Department of Mathematical Sciences, University of Zululand, Private Bag X1001, Kwa-Dlangezwa 3886, South Africa

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and

S. G. GHOSH

Department of Mathematics, Science College, Congress Nagar, Nagpur-440 012, India

Corresponding author.

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https://doi.org/10.1142/S0218271803003220Cited by:12 (Source: Crossref)

Abstract

We study the occurrence of naked singularities in the spherically symmetric collapse of a charged null fluid in an expanding de Sitter background — a piece of charged Vaidya–de Sitter spacetime. The naked singularities are found to be gravitationally strong in Tipler's sense and thus violate the cosmic censorship hypothesis.

Keywords:

PACS: 04.20.Dw, 04.70.Bw

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