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New Cosmographic Constraints on the Dark Energy and Dark Matter Coupling

We consider three cosmological models with linear interaction between the dark components and obtain restrictions on the coupling constant in terms of the cosmographic parameters. It enables us to find constraints on the coupling constant directly based on observational data and to restrict number of numerous models describing interaction in the dark sector.

preprint2015arXivOpen access
Yu. L. BolotinV. A. CherkaskiyO. A. Lemets
astro-ph.COgr-qc
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Yu. L. BolotinV. A. CherkaskiyO. A. Lemets

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