Black hole absorption cross-sections and the anti-de Sitter -- conformal field theory correspondence

Details Black hole absorption cross-sections and the anti-de Sitter -- conformal field theory correspondence Black hole absorption cross-sections and the anti-de Sitter -- conformal field theory correspondence

1998-05-04

arxiv.org/abs/hep-th/9805014v1

Phys.Lett. B436 (1998) 269-274

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, harvmac

Scientific paper

10.1016/S0370-2693(98)00849-1

Recent work has uncovered a correspondence between theories in anti-de Sitter space, and those on its boundary. This has important implications for black holes in string theory which have near-horizon AdS geometries. Using the effective coupling to the boundary conformal field theory, I compute the low-energy, s-wave absorption cross-sections for a minimally coupled scalar in the near-extremal four- and five-dimensional black holes. The results agree precisely with semi-classical gravity calculations. Agreement for fixed scalars, and for the BTZ black hole, is also found.

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