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Title: Statistical description of rotating Kaluza-Klein black holes
Author: Emparan García de Salazar, Roberto A.
Maccarrone Heredia, Alessandro
Keywords: Gravitació
Relativitat (Física)
Forats negres (Astronomia)
Teoria quàntica
Teoria de Kaluza-Klein
Relativity (Physics)
Black holes (Astronomy)
Quantum theory
Kaluza-Klein theories
Issue Date: 2007
Publisher: The American Physical Society
Abstract: We extend the recent microscopic analysis of extremal dyonic Kaluza-Klein (D0-D6) black holes to cover the regime of fast rotation in addition to slow rotation. Fastly rotating black holes, in contrast to slow ones, have nonzero angular velocity and possess ergospheres, so they are more similar to the Kerr black hole. The D-brane model reproduces their entropy exactly, but the mass gets renormalized from weak to strong coupling, in agreement with recent macroscopic analyses of rotating attractors. We discuss how the existence of the ergosphere and superradiance manifest themselves within the microscopic model. In addition, we show in full generality how Myers-Perry black holes are obtained as a limit of Kaluza-Klein black holes, and discuss the slow and fast rotation regimes and superradiance in this context.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review D, 2007, vol. 75, núm. 8, p. 084006
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ISSN: 0556-2821
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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