Supertranslations and Superrotations at the Black Hole Horizon

Nov 27, 2015
6 pages
Published in:
  • Phys.Rev.Lett. 116 (2016) 9, 091101
  • Published: Mar 3, 2016
e-Print:

Citations per year

20122015201820212024010203040
Abstract: (arXiv)
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.
Note:
  • 6 pages, references added, published version
  • black hole: horizon
  • symmetry: Killing
  • angular momentum
  • zero mode
  • Virasoro
  • algebra
  • entropy