The generalized second law of gravitational thermodynamics on the apparent and event horizons in FRW cosmology

Abstract

We investigate the validity of the generalized second law of gravitational thermodynamics on the apparent and event horizons in a non-flat FRW universe containing the interacting dark energy with dark matter. We show that for the dynamical apparent horizon, the generalized second law is always satisfied throughout the history of the universe for any spatial curvature and it is independent of the equation of state parameter of the interacting dark energy model. Whereas for the cosmological event horizon, the validity of the generalized second law depends on the equation of state parameter of the model.

12 pages, 1 figure

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• Barrow Holographic Dark Energy Model with GO Cut-off -- An Alternative Perspective
• Thermodynamics of diffusive DM/DE systems
• Implementation of cosmological bounce inflation with Nojiri-Odintsov generalized holographic dark fluid
• Thermodynamics of the Primordial Universe
• Generalized Ghost Pilgrim Dark Energy Fractal Cosmology with Observational Constraint
• Thermodynamics of the most generalized form of Holographic Dark Energy and some particular cases with Corrected Entropies