Reconstructing the f(R) gravity from the holographic principle

Details Reconstructing the f(R) gravity from the holographic principle Reconstructing the f(R) gravity from the holographic principle

2008-12-09

arxiv.org/abs/0812.1596v1

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, 1 figure, to appear in special volume Problems of Modern Cosmology, TSPU publishing

Scientific paper

An holographic f(R) gravity model of dark energy is proposed. The correspondence between the f(R) geometrical effective energy density with the holographic density, allows the reconstruction of the f(R) gravity in flat FRW background in the Einstein frame. The proposed infrared cut-off for the holographic energy density depends on two parameters which are fit using the luminosity versus redshift data, allowing a suitable reconstruction in two representative cases of the EoS parameter: for $\omega>-1$ and $\omega<-1$.

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