Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-06-22
Phys.Rev. D70 (2004) 084043
Physics
High Energy Physics
High Energy Physics - Theory
6 pages, minor changes and rearrangements
Scientific paper
10.1103/PhysRevD.70.084043
We show that microscopic black hole entropy formula based on Virasoro algebra can be derived from usual properties of stationary Killing horizons alone and absence of singularities of curvature invariants on them. In such a way some usual additional assumptions are shown to be fulfilled. In addition, for all quantities power expansion near horizon and thus explicit insight of the limiting procedure is given. More important the near horizon conformal symmetry proposed by Carlip together with its consequences on microscopic entropy is given a clear geometric origin.
Cvitan Maro
Pallua Silvio
Prester Predrag
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