Effective theory of Black Holes in the 1/D expansion

Apr 24, 2015
34 pages
Published in:
  • JHEP 06 (2015) 159
  • Published: Jun 23, 2015
e-Print:
Report number:
  • KEK-TH-1810,
  • AP-GR-122,
  • OCU-PHYS-422,
  • KUNS-2557,
  • YITP-15-33,
  • KEK-TH-1810,
  • AP-GR-122,
  • OCU-PHYS-422,
  • KUNS 2557,
  • YITP-15-33

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Abstract: (Springer)
The gravitational field of a black hole is strongly localized near its horizon when the number of dimensions D is very large. In this limit, we can effectively replace the black hole with a surface in a background geometry (e.g. Minkowski or Anti-deSitter space). The Einstein equations determine the effective equations that this ‘black hole surface’ (or membrane) must satisfy. We obtain them up to next-to-leading order in 1/D for static black holes of the Einstein-(A)dS theory. To leading order, and also to next order in Minkowski backgrounds, the equations of the effective theory are the same as soap-film equations, possibly up to a redshift factor. In particular, the Schwarzschild black hole is recovered as a spherical soap bubble. Less trivially, we find solutions for ‘black droplets’, i.e. black holes localized at the boundary of AdS, and for non-uniform black strings.
Note:
  • 32 pages, 3 figures
  • Black Holes
  • Classical Theories of Gravity
  • Black Holes in String Theory
  • black hole: Schwarzschild
  • black hole: surface
  • black hole: static
  • Einstein equation
  • anti-de Sitter
  • black string
  • gravitation