Supertranslations and Superrotations at the Black Hole Horizon

Laura Donnay; Gaston Giribet; Hernán A. González; Miguel Pino

doi:10.1103/PhysRevLett.116.091101

Supertranslations and Superrotations at the Black Hole Horizon

Laura Donnay, Gaston Giribet, Hernán A. González, Miguel Pino

Research output: Contribution to journal › Article › peer-review

176 Scopus citations

Abstract

We show that the asymptotic symmetries close to nonextremal black hole horizons are generated by an extension of supertranslations. This group is generated by a semidirect sum of Virasoro and Abelian currents. The charges associated with the asymptotic Killing symmetries satisfy the same algebra. When considering the special case of a stationary black hole, the zero mode charges correspond to the angular momentum and the entropy at the horizon.

Original language	English
Article number	091101
Journal	Physical Review Letters
Volume	116
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevLett.116.091101
State	Published - 3 Mar 2016
Externally published	Yes

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Supertranslations and Superrotations at the Black Hole Horizon

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