Energy conditions constraints on a class of f(R)-gravity

Details Energy conditions constraints on a class of f(R)-gravity Energy conditions constraints on a class of f(R)-gravity

2008-07-15

arxiv.org/abs/0807.2443v2

Int.J.Mod.Phys.D19:1315-1321,2010

Astronomy and Astrophysics

Astrophysics

6 pages. To appear in Int. J. Mod. Phys. D. Talk delivered at the 3rd International Workshop on Astronomy and Relativistic Ast

Scientific paper

10.1142/S0218271810017639

We present and discuss the bounds from the energy conditions on a general f(R) functional form in the framework of metric variational approach. As a concrete application of the energy conditions to locally homogeneous and isotropic f(R)-cosmology, the recent estimated values of the deceleration and jerk parameters are used to examine the bounds from the weak energy condition on the free parameter of the family of f(R)=\sqrt{R^2 - R_0^2} gravity theory.

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