Cosmological Evolution in 1/R-Gravity Theory

Details Cosmological Evolution in 1/R-Gravity Theory Cosmological Evolution in 1/R-Gravity Theory

2003-08-02

arxiv.org/abs/astro-ph/0308031v4

Class.Quant.Grav.21:951-960,2004

Astronomy and Astrophysics

Astrophysics

7 pages, 5 figures. Accepted for publication in Class.Quant.Grav

Scientific paper

10.1088/0264-9381/21/4/015

Recently, corrections of the $L(R)$ type to Einstein-Hilbert action that become important at small curvature are proposed. Those type of models intend to explain the observed cosmic acceleration without dark energy. We derive the full Modified Friedmann equation in the Palatini formulation of those modified gravity model of the $L(R)$ type. Then, we discuss various cosmological predictions of the Modified Friedmann equation.

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