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Advances in High Energy Physics
Volume 2013, Article ID 947898, 9 pages
http://dx.doi.org/10.1155/2013/947898
Research Article

Thermodynamics in Modified Gravity with Curvature Matter Coupling

Department of Mathematics, University of the Punjab, Quaid-e-Azam Campus, Lahore 54590, Pakistan

Received 15 August 2013; Revised 27 September 2013; Accepted 1 October 2013

Academic Editor: Kingman Cheung

Copyright © 2013 M. Sharif and M. Zubair. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The first and generalized second laws of thermodynamics are studied in gravity, a more general modified theory with curvature matter coupling. It is found that one can translate the Friedmann equations to the form of first law accompanied with entropy production term. This behavior is due to the nonequilibrium thermodynamics in this theory. We establish the generalized second law of thermodynamics and develop the constraints on coupling parameters for two specific models. It is concluded that laws of thermodynamics in this modified theory are more general and can reproduce the corresponding results in Einstein, gravity, and gravity with arbitrary as well as nonminimal curvature matter coupling.