Modified non-local-F(R) gravity as the key for the inflation and dark energy

Details Modified non-local-F(R) gravity as the key for the inflation and dark energy Modified non-local-F(R) gravity as the key for the inflation and dark energy

2007-08-07

arxiv.org/abs/0708.0924v3

Phys.Lett.B659:821-826,2008

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX file, 9 pages, version to appear in PLB

Scientific paper

10.1016/j.physletb.2007.12.001

We consider FRW cosmology in non-local modified gravity. Its local scalar-tensor formulation is developed. It is explicitly demonstrated that such theory may lead to the unification of early-time inflation with late-time cosmic acceleration. The quintessence or phantom era may emerge for specific form of the action. The coupled non-local-F(R) gravity is also investigated. It is shown that such theory being consistent with Solar System tests may lead to the known universe history sequence: inflation, radiation/matter dominance and dark epoch.

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