Trapped surfaces and the Penrose inequality in spherically symmetrical geometries

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dc.contributor.authorMalec, Edward
dc.contributor.authorÓ Murchadha, Niall
dc.date.accessioned2017-08-29T09:14:26Z
dc.date.available2017-08-29T09:14:26Z
dc.date.issued1994
dc.description.abstractWe demonstrate that the Penrose inequality is valid for spherically symmetric geometries even when the horizon is immersed in matter. The matter field need not be at rest. The only restrict.ion is that the source satisfies an energy condition outside the horizon. No restrictions are placed on the matter inside the horizon. The proof of the Penrose inequality gives a new necessary condition for the formation of trapped surfaces. This formulation may also be adapted to give a sufficient condition. We show that a modification of the Penrose inequality proposed by Gibbons for charged black holes can be broken in early stages of gravitational collapse. This investigation is based exclusively on the initial data formulation of general relativity.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationMalec, E. and Ó Murchadha, N. (1994) 'Trapped surfaces and the Penrose inequality in spherically symmetric geometries', Physical Review D, 49(12), 6931-6934 (4pp). doi: 10.1103/PhysRevD.49.6931en
dc.identifier.doi10.1103/PhysRevD.49.6931
dc.identifier.endpage6934
dc.identifier.issn0556-2821
dc.identifier.issued12
dc.identifier.journaltitlePhysical Review Den
dc.identifier.startpage6931
dc.identifier.urihttps://hdl.handle.net/10468/4590
dc.identifier.volume49
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.relation.urihttps://journals.aps.org/prd/abstract/10.1103/PhysRevD.49.6931
dc.rights© 1994, American Physical Societyen
dc.subjectStarsen
dc.titleTrapped surfaces and the Penrose inequality in spherically symmetrical geometriesen
dc.typeNoteen
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