2002arXiv (Cornell University)Open access

Is Cosmic Censorship valid in Higher Dimensions

Rituparno Goswami, Pankaj S. Joshi

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Abstract

We study here the question if we can recover cosmic censorship by making a transition to higher dimensional spacetimes. It is pointed out that if only black holes are to result as end state of a continual gravitational collapse, several conditions must be imposed on the collapsing configuration, some of which would appear to be rather restrictive and we need to study carefully if these can be suitably motivated physically in a realistic collapse scenario. It would appear that in a generic higher dimensional collapse, both black holes and naked singularities would develop as end states of collapse.

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We study here the question if we can recover cosmic censorship by making a transition to higher dimensional spacetimes. It is pointed out that if only black holes are to result as end state of a continual gravitational collapse, several conditions must be imposed on the collapsing configuration, some of which would appear to be rather restrictive and we need to study carefully if these can be suitably motivated physically in a realistic collapse scenario. It would appear that in a generic higher dimensional collapse, both black holes and naked singularities would develop as end states of collapse.

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Available abstract

We study here the question if we can recover cosmic censorship by making a transition to higher dimensional spacetimes. It is pointed out that if only black holes are to result as end state of a continual gravitational collapse, several conditions must be imposed on the collapsing configuration, some of which would appear to be rather restrictive and we need to study carefully if these can be suitably motivated physically in a realistic collapse scenario. It would appear that in a generic higher dimensional collapse, both black holes and naked singularities would develop as end states of collapse.

Key concepts: Cosmic censorship hypothesis, Naked singularity, Gravitational collapse, Physics, Gravitational singularity, Black hole (networking), Theoretical physics, Dimension (graph theory)

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