Cosmic censorship and the dilaton

We investigate extremal electrically charged black holes in Einstein-Maxwell-dilaton theory with a cosmological constant inspired by string theory. These solutions are not static, and a timelike singularity eventually appears which is not surrounded by an event horizon. This suggests that cosmic cen...

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Veröffentlicht in:	Physical review. D, Particles and fields Particles and fields, 1993-12, Vol.48 (12), p.R5457-R5462
Hauptverfasser:	HORNE, J. H, HOROWITZ, G. T
Format:	Artikel
Sprache:	eng
Schlagworte:	661310 - Relativity & Gravitation- (1992-) 662110 - General Theory of Particles & Fields- Theory of Fields & Strings- (1992-) BLACK HOLES CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Classical black holes Classical general relativity COMPOSITE MODELS COSMOLOGICAL CONSTANT EINSTEIN-MAXWELL EQUATIONS ELECTRIC CHARGES EQUATIONS Exact sciences and technology EXTENDED PARTICLE MODEL FIELD EQUATIONS FIELD THEORIES General relativity and gravitation GENERAL RELATIVITY THEORY General theory of fields and particles MATHEMATICAL MODELS Noncritical string theory PARTICLE MODELS Physics Physics of black holes PHYSICS OF ELEMENTARY PARTICLES AND FIELDS QUARK MODEL Singularities and cosmic censorship SINGULARITY STRING MODELS The physics of elementary particles and fields Theory of fundamental strings
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Zusammenfassung:	We investigate extremal electrically charged black holes in Einstein-Maxwell-dilaton theory with a cosmological constant inspired by string theory. These solutions are not static, and a timelike singularity eventually appears which is not surrounded by an event horizon. This suggests that cosmic censorship may be violated in this theory.
ISSN:	0556-2821 1089-4918
DOI:	10.1103/PhysRevD.48.R5457