Accelerated expansion from a non-minimal gravitational coupling to matter

Details Accelerated expansion from a non-minimal gravitational coupling to matter Accelerated expansion from a non-minimal gravitational coupling to matter

2010-03-03

arxiv.org/abs/1003.0850v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Latex file, 10 pages, 6 figures

Scientific paper

It is shown that a non-minimal coupling between the scalar curvature and the matter Lagrangian density may account for the accelerated expansion of the Universe and provide, through mimicking, for a viable unification of dark energy and dark matter. An analytical exploration is first performed, and a numerical study is then used to validate the obtained results. The encountered scenario allows for a better grasp of the proposed mechanism, and sets up the discussion for improvements that can lead to a complete agreement with the observational data.

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