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Title of Journal: Gen Relativ Gravit

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Abbravation: General Relativity and Gravitation

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Springer US

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DOI

10.1016/j.anbehav.2007.07.021

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1572-9532

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Cosmic censorship and parametrized spinning black

Authors: Vitor Cardoso Leonel Queimada
Publish Date: 2015/11/14
Volume: 47, Issue: 12, Pages: 150-
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Abstract

The “cosmic censorship conjecture” asserts that all singularities arising from gravitational collapse are hidden within black holes We investigate this conjecture in a setup of interest for tests of general relativity black hole solutions which are parametrically small deviations away from the Kerr solution These solutions have an upper bound on rotation beyond which a naked singularity is visible to outside observers We study whether these generic spacetimes can be spunup past extremality with point particles or accretion disks Our results show that cosmic censorship is preserved for generic parameterizations We also present examples of special geometries which can be spunup past extremalityWe thank Jorge Rocha and Masashi Kimura for useful comments and feedback VC acknowledges financial support provided under the European Union’s FP7 ERC Starting Grant “The dynamics of black holes testing the limits of Einstein’s theory” Grant Agreement No DyBHo256667 and H2020 ERC Consolidator Grant “Matter and strongfield gravity New frontiers in Einstein’s theory” Grant Agreement No MaGRaTh646597 This research was supported in part by the Perimeter Institute for Theoretical Physics Research at Perimeter Institute is supported by the Government of Canada through Industry Canada and by the Province of Ontario through the Ministry of Economic Development and Innovation This work was supported by the H2020MSCARISE2015 Grant No StronGrHEP690904

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