Subhajit Saha, Subenoy Chakraborty
The present work deals with three alternative generalized Bekenstein-Hawking formulation of thermodynamical parameters namely entropy and temperature for the universal thermodynamical system bounded by a horizon in the frame work of inhomogeneous LTB model of the universe. The first law of thermodynamics holds for all the three choices while we need some restrictions for the validity of the generalized second law of thermodynamics. Finally, it is found that due to some thermal fluctuations there is a logarithmic correction to the Bekenstein entropy.
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http://arxiv.org/abs/1212.5993
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