The generalized second law in universes with quantum corrected entropy relations

Details The generalized second law in universes with quantum corrected entropy relations The generalized second law in universes with quantum corrected entropy relations

2010-06-18

arxiv.org/abs/1006.3745v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, 5 figures, accepted for publication on PLB

Scientific paper

We apply the generalized second law of thermodynamics to discriminate among quantum corrections (whether logarithmic or power-law) to the entropy of the apparent horizon in spatially Friedmann-Robertson-Walker universes. We use the corresponding modified Friedmann equations along with either Clausius relation or the principle of equipartition of the energy to set limits on the value of a characteristic parameter entering the said corrections.

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