Interactions in the dark sector of the Universe

Abstract

Interactions inside the cosmological dark sector influence the cosmological dynamics. As a consequence, the future evolution of the Universe may be different from that predicted by the $\Lambda$CDM model. We review main features of several recently studied models with nongravitational couplings between dark matter and dark energy.

arXiv comment21 pages, Proceedings of the 49th Winter School of Theoretical Physics, Ladek-Zdroj, Poland, February 10-16, 2013

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• Covariantizing the interaction between dark energy and dark matter
• Null test for interactions in the dark sector
• Unified early and late Universe cosmology through dissipative effects in steep quintessential inflation potential models
• Dynamics of the diffusive DM-DE interaction--dynamical system approach
• Multi-fluid cosmology in Einstein gravity: analytical solutions
• A causal viscous cosmology without singularities