Articles written in Journal of Astrophysics and Astronomy
Volume 40 Issue 5 October 2019 Article ID 0038
In this study, the irreversible thermodynamics of the universe in the framework of $f(R)$ gravity has been studied following standard Eckart theory of non-equilibrium thermodynamics. For a spatially flat universe, validity of GSLT and thermodynamic equilibrium have been examined both for apparent and eventhorizon as bounding horizons.The general result has been verified for exponential models of $f(R)$ gravity and it is shown that GSLT holds on both apparent and event horizon, but thermodynamic equilibrium does not holdon event horizon.
Volume 40 | Issue 5
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