The generalized second law in universes with quantum corrected entropy relations

Abstract

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.

11 pages, 5 figures, accepted for publication on PLB

References in corpus (7)

• Hawking Radiation of Apparent Horizon in a FRW Universe
• Entropy of Null Surfaces and Dynamics of Spacetime
• Power-law corrections to entanglement entropy of horizons
• The generalized second law of thermodynamics in generalized gravity theories
• Thermodynamics on the apparent horizon in generalized gravity theories
• Dark Energy as a Modification of the Friedmann Equation
• Black Hole Constraints on Varying Fundamental Constants

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