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

Abstract

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.

LaTeX 10 pages, version to appear in PRD

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Cited by in corpus (8)

• Class of viable modified $f(R)$ gravities describing inflation and the onset of accelerated expansion
• The future evolution and finite-time singularities in $F(R)$-gravity unifying the inflation and cosmic acceleration
• Inflationary cosmology and the late-time accelerated expansion of the universe in non-minimal Yang-Mills-$F(R)$ gravity and non-minimal vector-$F(R)$ gravity
• Dark energy, inflation and dark matter from modified F(R) gravity
• Energy-momentum complexes in f(R) theories of gravity
• Can F(R)-gravity be a viable model: the universal unification scenario for inflation, dark energy and dark matter
• "Detuned" f(R) gravity and dark energy
• Multicomponent solution in modified theory of gravity in the early universe