Logarithmic correction to the Bekenstein-Hawking entropy of the BTZ black hole
- 18 July 2001
- journal article
- Published by IOP Publishing in Classical and Quantum Gravity
- Vol. 18 (15) , 2877-2885
- https://doi.org/10.1088/0264-9381/18/15/303
Abstract
We derive an exact expression for the partition function of the Euclidean BTZ black hole. Using this, we show that for a black hole with large horizon area, the correction to the Bekenstein-Hawking entropy is -3/2log area), in agreement with that for the Schwarzschild black hole obtained in the four-dimensional canonical gravity formalism and also in a Lorentzian computation of BTZ black hole entropy. We find that the correct expression for the logarithmic correction in the context of the BTZ black hole comes from the modular invariance associated with the toroidal boundary of the black hole.Keywords
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