The generalized second law in chameleon cosmology
General Relativity and Quantum Cosmology
2015-05-28 v1
Abstract
In this paper, we investigate the validity of the generalized second law (GSL) of thermodynamics in flat FRW chameleon cosmology where the boundary of the universe is assumed to be enclosed by the dynamical apparent horizon. It has been shown that, in a bouncing scenario for the universe with phantom crossing, the total entropy decreases with time in the contracting epoch, whereas, the dynamics of the internal and horizon entropies depends on the behavior of both equation of state and hubble parameters.
Cite
@article{arxiv.1106.1773,
title = {The generalized second law in chameleon cosmology},
author = {H. Farajollahi and A. Salehi and F. Tayebi},
journal= {arXiv preprint arXiv:1106.1773},
year = {2015}
}
Comments
10 pages, 6 figures; To be published in Can. J. Phys