Eur. Phys. J. C (2008) 53: 95-97
https://doi.org/10.1140/epjc/s10052-007-0435-z

Regular Article - Theoretical Physics

Two dimensional black hole entropy

¹ Sciences Faculty, Department of Physics, Mazandaran University, P.O. Box 47415-416, Babolsar, Iran
² Department of Science, Payame Noor University, Shahrake Aftab Street, Bijar, Iran

^* e-mail: rezakord@ipm.ir

Received: 2 September 2007
Published online: 24 October 2007

Abstract

In this paper we consider the two dimensional black hole and use Wald’s formula to find its entropy. Also we consider higher derivative terms. We discuss the case of a massless black hole and find its free energy.