BTZ Black Hole Entropy from Ponzano-Regge Gravity
V. Suneeta, R. K. Kaul, T. R. Govindarajan
Abstract
The entropy of the BTZ black hole is computed in the Ponzano-Regge formulation of three-dimensional lattice gravity. It is seen that the correct semi-classical behaviour of entropy is reproduced by states that correspond to all possible triangulations of the Euclidean black hole.
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