Ricci Dark Energy in braneworld models with a Gauss-Bonnet term in the bulk
arXiv:0904.2976 · doi:10.1016/j.physletb.2009.07.022
Abstract
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 . 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.
7 pages, 2 figures
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