Crossing the phantom divide with Ricci-like holographic dark energy

Abstract

We study a holographic model for the dark energy considered recently in the literature which postulates an energy density $\rho \sim R$, where $R$ is the Ricci scalar curvature. We obtain a cosmological scenario that comes from considering two non-interacting fluids along a reasonable Ansatz for the cosmic coincidence parameter. We adjust the involved parameters in the model according to the observational data and we show that the equation of state for the dark energy experience a cross through the -1 barrier. In addition, we find a disagreement in these parameters with respect to an approach from a scalar field theory.

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References in corpus (4)

• Quantum UV/IR Relations and Holographic Dark Energy from Entropic Force
• Dark energy, the colored anti-de Sitter vacuum, and LHC phenomenology
• Reconstructing the interaction rate in holographic models of dark energy
• Unparticle dark energy

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• Bayesian Comparison of Interacting Modified Holographic Ricci Dark Energy Scenarios
• DGP Cosmological model with generalized Ricci dark energy
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• Role of generalized Ricci dark energy on Chameleon field in the emergent universe
• Holographic energy density on Hořava-Lifshitz cosmology
• Modelling the current accelerated expansion of the Universe with Holographic Dark Energy