Abstract
We consider the cosmological system with two interacting fluids: dark energy and dark matter, in a homogeneous and isotropic universe with dissipation. The modified gravitational equation for dark matter is solved. The analytic representations for the Little Rip, the Pseudo Rip, and the bounce cosmology models with dissipation are obtained in terms of the thermodynamic parameters in the equation of state. We analyze the corrections in the energy density for dark matter, in view of the dissipative processes and the coupling with dark energy.
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Acknowledgements
This work was supported by a grant from the Russian Ministry of Education and Science, project TSPU-139 (A.V.T. and V.V.O.).
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Brevik, I., Obukhov, V.V. & Timoshkin, A.V. Cosmological models coupled with dark matter in a dissipative universe. Astrophys Space Sci 359, 11 (2015). https://doi.org/10.1007/s10509-015-2451-z
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DOI: https://doi.org/10.1007/s10509-015-2451-z