Stationary black holes and attractor mechanism

Dumitru Astefanesei, Hossein Yavartanoo

Research output: Contribution to journalArticlepeer-review

51 Scopus citations

Abstract

We investigate the symmetries of the near horizon geometry of extremal stationary black hole in four-dimensional Einstein gravity coupled to Abelian gauge fields and neutral scalars. Careful consideration of the equations of motion and the boundary conditions at the horizon imply that the near horizon geometry has SO (2, 1) × U (1) isometry. This compliments the rotating attractors proposal of hep-th/0606244 that had assumed the presence of this isometry. The extremal solutions are classified into two families differentiated by the presence or absence of an ergo-region. We also comment on the attractor mechanism of both branches.

Original languageEnglish
Pages (from-to)13-27
Number of pages15
JournalNuclear Physics B
Volume794
Issue number1-2
DOIs
StatePublished - 1 May 2008
Externally publishedYes

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