Lifshitz black holes in string theory

We provide the first black hole solutions with Lifshitz asymptotics found in string theory. These are expected to be dual to models enjoying an isotropic scale invariance with dynamical exponent z  = 2 at finite temperature. We employ a consistent truncation of type IIB supergravity to four dimensio...

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Bibliographic Details
Published in:The journal of high energy physics 2011-07, Vol.2011 (7), Article 4
Main Authors: Amado, Irene, Faedo, Anton F.
Format: Article
Language:English
Subjects:
Black holes
Classical and Quantum Gravitation
Elementary Particles
High energy physics
Low temperature
Phase transitions
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Relativity Theory
Scale invariance
String Theory
Supergravity
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Summary:We provide the first black hole solutions with Lifshitz asymptotics found in string theory. These are expected to be dual to models enjoying an isotropic scale invariance with dynamical exponent z  = 2 at finite temperature. We employ a consistent truncation of type IIB supergravity to four dimensions with an arbitrary 5-dimensional Einstein manifold times a circle as internal geometry. New interesting features are found that significantly differ from previous results in phenomenological models. In particular, small black holes are shown to be thermodynamically unstable, analogously to the usual AdS-Schwarzschild black holes, and extremality is never reached. This signals a possible Hawking-Page like phase transition at low temperatures.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP07(2011)004