Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-07-30
Phys.Lett.B546:119-125,2002
Physics
High Energy Physics
High Energy Physics - Theory
13 pages, appendix and references added, to appear in Phys. Lett. B
Scientific paper
10.1016/S0370-2693(02)02665-5
We treat spherically symmetric black holes in Gauss-Bonnet gravity by imposing boundary conditions on fluctuating metric on the horizon. Obtained effective two-dimensional theory admits Virasoro algebra near the horizon. This enables, with the help of Cardy formula, evaluation of the number of states. Obtained results coincide with the known macroscopic expression for the entropy of black holes in Gauss-Bonnet gravity.
Cvitan Maro
Pallua Silvio
Prester Predrag
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