Kerr Black Holes are Not Unique to General Relativity

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dc.creatorPsaltis, Dimitrios
dc.creatorPerrodin, Delphine
dc.creatorDienes, Keith R.
dc.creatorMocioiu, Irina
dc.date2007-10-25
dc.date2008-01-07
dc.date.accessioned2026-07-07T11:38:20Z
dc.date.available2026-07-07T11:38:20Z
dc.descriptionConsiderable attention has recently focused on gravity theories obtained by extending general relativity with additional scalar, vector, or tensor degrees of freedom. In this paper, we show that the black-hole solutions of these theories are essentially indistinguishable from those of general relativity. Thus, we conclude that a potential observational verification of the Kerr metric around an astrophysical black hole cannot, in and of itself, be used to distinguish between these theories. On the other hand, it remains true that detection of deviations from the Kerr metric will signify the need for a major change in our understanding of gravitational physics.
dc.description4 pages, Physical Review Letters in press
dc.identifierhttps://arxiv.org/abs/0710.4564
dc.identifierhttp://arxiv.org/abs/0710.4564
dc.identifierPhys.Rev.Lett.100:091101,2008; Phys.Rev.Lett.100:119902,2008
dc.identifierdoi:10.1103/PhysRevLett.100.091101 10.1103/PhysRevLett.100.119902
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/199523
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Theory
dc.titleKerr Black Holes are Not Unique to General Relativity
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