DGP Cosmology with a Non-Minimally Coupled Scalar Field on the Brane

Details DGP Cosmology with a Non-Minimally Coupled Scalar Field on the Brane DGP Cosmology with a Non-Minimally Coupled Scalar Field on the Brane

2007-08-12

arxiv.org/abs/0708.1611v1

JCAP 0709:003,2007

Physics

High Energy Physics

High Energy Physics - Theory

26 pages, 3 eps figures

Scientific paper

10.1088/1475-7516/2007/09/003

We construct a DGP inspired braneworld scenario where a scalar field non-minimally coupled to the induced Ricci curvature is present on the brane. First we investigate the status of gravitational potential with non-minimal coupling and observational constraints on this non-minimal model. Then we further deepen the idea of embedding of FRW cosmology in this non-minimal setup. Cosmological implications of this scenario are examined with details and the quintessence and late-time expansion of the universe within this framework are examined. Some observational constraints imposed on this non-minimal scenario are studied and relation of this model with dark radiation formalism is determined with details.

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