Overcharging a multi-black-hole system and cosmic censorship

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dc.contributor.author Mishra, Akash K.
dc.contributor.author Sarkar, Sudipta
dc.date.accessioned 2019-08-06T09:37:23Z
dc.date.available 2019-08-06T09:37:23Z
dc.date.issued 2019-07
dc.identifier.citation Mishra, Akash K. and Sarkar, Sudipta, "Overcharging a multi-black-hole system and cosmic censorship", Physical Review D, DOI: 10.1103/PhysRevD.100.024030, vol. 100, no. 2, Jul. 2019. en_US
dc.identifier.issn 2470-0010
dc.identifier.issn 2470-0029
dc.identifier.uri https://doi.org/10.1103/PhysRevD.100.024030
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/4637
dc.description.abstract We study the generalization of the gedanken experiment of overcharging an extremal black hole proposed by Wald in the context of a multi-black-hole solution. In particular, we attempt to overcharge a system of two extremal black holes via test particle absorption to produce a system involving a black hole and a naked singularity. If such a process is possible, then this would be a potential violation of the cosmic censorship hypothesis. However, we find that, analogous to Wald�s result for a single charged black hole, such a test particle which can expose the singularity would not be able to enter the horizon. This provides an interesting and nontrivial example that supports the validity of the cosmic censorship hypothesis in four-dimensional general relativity.
dc.description.statementofresponsibility by Akash K Mishra and Sudipta Sarkar
dc.format.extent vol. 100, no. 2
dc.language.iso en en_US
dc.publisher American Physical Society en_US
dc.subject Alternative gravity theories en_US
dc.subject General relativity en_US
dc.subject Gravitation, Cosmology & Astrophysics en_US
dc.title Overcharging a multi-black-hole system and cosmic censorship en_US
dc.type Article en_US
dc.relation.journal Physical Review D


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