Regular Article - Theoretical Physics
The thermodynamics and thermodynamic geometry of the Park black hole
Department of Physics, Cochin University of Science and Technology, Cochin, 682022, Kerala, India
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Accepted: 8 March 2014
Published online: 27 March 2014
We study the thermodynamics and thermodynamic geometry of the Park black hole in Hořava gravity. By incorporating the ideas of differential geometry, we investigate the thermodynamics by using the Weinhold and the Ruppeiner geometry. We have also analyzed it in the context of the newly developed geometrothermodynamics (GTD). The divergence of the specific heat is associated with a second-order phase transition. Here in the context of the Park black hole, both Weinhold’s metric and Ruppeiner’s metric well explain this phase transition. But these explanations depend on the choice of the potential. Hence the Legendre invariant GTD is used, and with the true singularities in the curvature scalar, they well explain the second-order phase transition. All these methods together give an exact idea of all the behaviors of the Park black hole thermodynamics.
© SIF and Springer-Verlag Berlin Heidelberg, 2014