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|Higher-dimensional rotating charged black holes
|Caldarelli, Marco M.
Emparan García de Salazar, Roberto A.
Van Pol, Bert
|Forats negres (Astronomia)
Models de corda
Black holes (Astronomy)
|Springer; Scuola Internazionale Superiore di Studi Avanzati (SISSA)
|Using the blackfold approach, we study new classes of higher-dimensional rotating black holes with electric charges and string dipoles, in theories of gravity coupled to a 2-form or 3-form field strength and to a dilaton with arbitrary coupling. The method allows to describe not only black holes with large angular momenta, but also other regimes that include charged black holes near extremality with slow rotation. We construct explicit examples of electric rotating black holes of dilatonic and non-dilatonic Einstein-Maxwell theory, with horizons of spherical and non-spherical topology. We also find new families of solutions with string dipoles, including a new class of prolate black rings. Whenever there are exact solutions that we can compare to, their properties in the appropriate regime are reproduced precisely by our solutions. The analysis of blackfolds with string charges requires the formulation of the dynamics of anisotropic fluids with conserved string-number currents, which is new, and is carried out in detail for perfect fluids. Finally, our results indicate new instabilities of near-extremal, slowly rotating charged black holes, and motivate conjectures about topological constraints on dipole hair.
|Reproducció del document publicat a: http://dx.doi.org/10.1007/JHEP04(2011)013
|It is part of:
|Journal of High Energy Physics, 2011, vol. 4, núm. 13
|Appears in Collections:
|Articles publicats en revistes (Física de la Matèria Condensada)
Publicacions de projectes de recerca finançats per la UE
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