Modified f(R) gravity unifying R^m inflation with \LambdaCDM epoch

Details Modified f(R) gravity unifying R^m inflation with \LambdaCDM epoch Modified f(R) gravity unifying R^m inflation with \LambdaCDM epoch

2007-10-09

arxiv.org/abs/0710.1738v2

Phys.Rev.D77:026007,2008

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX 10 pages, version to appear in PRD

Scientific paper

10.1103/PhysRevD.77.026007

We consider modified $f(R)$ gravity which may unify $R^m$ early-time inflation with late-time $\Lambda$CDM epoch. It is shown that such model passes the local tests (Newton law, stability of Earth-like gravitational solution, very heavy mass for additional scalar degree of freedom) and suggests the realistic alternative for General Relativity. Various scenarios for future evolution of $f(R)$ $\Lambda$CDM era are discussed.

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