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Hoop Conjecture in Five-dimensios -Violation of Cosmic Censorship-

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arxiv gr-qc/0503008 v2 pith:7AKPXNLE submitted 2005-03-02 gr-qc

Hoop Conjecture in Five-dimensios -Violation of Cosmic Censorship-

classification gr-qc
keywords five-dimensionalformationequationshorizoninitialmassspace-timeanalytically
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study the condition of black hole formation in five-dimensional space-time. We analytically solve the constraint equations of five-dimensional Einstein equations for momentarily static and conformally flat initial data of a spheroidal mass. We numerically search for an apparent horizon in various initial hypersurfaces and find both necessary and sufficient conditions for the horizon formation in terms of inequalities relating a geometric quantity and a mass defined in an appropriate manner. In the case of infinitely thin spheroid, our results suggest a possibility of naked singularity formation by the spindle gravitational collapse in five-dimensional space-time.

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