Ricci Dark Energy in braneworld models with a Gauss-Bonnet term in the bulk

Details Ricci Dark Energy in braneworld models with a Gauss-Bonnet term in the bulk Ricci Dark Energy in braneworld models with a Gauss-Bonnet term in the bulk

2009-04-20

arxiv.org/abs/0904.2976v1

Phys.Lett.B679:151-155,2009

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, 2 figures

Scientific paper

10.1016/j.physletb.2009.07.022

We investigate the Ricci Dark Energy (RDE) in the braneworld models with a Gauss-Bonnet term in the Bulk. We solve the generalized Friedmann equation on the brane analytically and find that the universe will finally enter into a pure de Sitter spacetime in stead of the big rip that appears in the usual 4D Ricci dark energy model with parameter $\alpha<1/2$. We also consider the Hubble horizon as the IR cutoff in holographic dark energy model and find it can not accelerate the universe as in the usual case without interacting.

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