Abstract
The present work deals with irreversible thermodynamics of universe containing interacting dark fluids. Recent observational evidences reveal that the universe is dominated by two dark components-dark matter and dark energy. The interaction between them leads to spontaneous heat flow between the horizon and the fluid system and as a result the system will no longer be in thermal equilibrium. In this paper dark matter is chosen as pressureless dust while modified Chaplygin gas has been considered as dark energy. In two separate cases we have considered the universe to be bounded by apparent horizon and event horizon and the validity of generalized second law of thermodynamics in the context of irreversible thermodynamics has been studied for both the cases.
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Biswas, A. Irreversible thermodynamics of the universe with interacting modified Chaplygin gas as dark energy. Astrophys Space Sci 363, 203 (2018). https://doi.org/10.1007/s10509-018-3425-8
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DOI: https://doi.org/10.1007/s10509-018-3425-8