Scalar-Tensor theories and current Cosmology

Details Scalar-Tensor theories and current Cosmology Scalar-Tensor theories and current Cosmology

2008-12-10

arxiv.org/abs/0812.1980v1

Physics

High Energy Physics

High Energy Physics - Theory

10 pages. In press, contribution to "Problems of Modern Cosmology", special volume on the occasion of Prof. S.D. Odintsov's 50

Scientific paper

Scalar-tensor theories are studied in the context of cosmological evolution, where the expansion history of the Universe is reconstructed. It is considered quintessence/phantom models, where inflation and cosmic acceleration are reproduced. Also, the non-minimally coupling regime between the scalar field and the Ricci scalar is studied and cosmological solutions are obtained. The Chamaleon mechanism is shown as a solution of the local gravity tests problems presented in this kind of theories.

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