Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-11-09
Mod.Phys.Lett. A21 (2006) 1879-1888
Physics
High Energy Physics
High Energy Physics - Theory
3 pages no figures
Scientific paper
10.1142/S0217732306021165
We derive the statistical entropy of the Schwarzschild black hole by considering the asymptotic symmetry algebra near the $\cal{I^{-}}$ boundary of the spacetime at past null infinity. Using a two-dimensional description and the Weyl invariance of black hole thermodynamics this symmetry algebra can be mapped into the Virasoro algebra generating asymptotic symmetries of anti-de Sitter spacetime. Using lagrangian methods we identify the stress-energy tensor of the boundary conformal field theory and we calculate the central charge of the Virasoro algebra. The Bekenstein-Hawking result for the black hole entropy is regained using Cardy's formula. Our result strongly supports a non-local realization of the holographic principle
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