Non-existence of Extended Holographic Dark Energy with Hubble Horizon

Abstract

The extended holographic dark energy model with the Hubble horizon as the infrared cutoff avoids the problem of the circular reasoning of the holographic dark energy model. We show that the infrared cutoff of the extended holographic dark energy model cannot be the Hubble horizon provided that the Brans-Dicke parameter $\omega$ satisfies the experimental constraint $\omega >10^4$, and this is proved as a no-go theorem. The no-go theorem also applies to the case in which the dark matter interacts with the dark energy.

arXiv comment12 pages with revtex, 4 figures, v2: minor corrections to match the version appeared in JCAP

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• Holographic Dark Energy
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• Fixed points in interacting dark energy models
• Crossing the phantom divide line in the Holographic dark energy model in a closed universe
• The dynamical behavior of the Extended Holographic Dark Energy with Hubble Horizon
• Causality Problem in a Holographic Dark Energy Model
• Holographic Dark Energy and Quantum Entanglement
• The accelerated scaling attractor solution of the interacting agegraphic dark energy in Brans-Dicke theory
• Dynamics of holographic dark energy with apparent-horizon cutoff and non-minimal derivative coupling gravity in non-flat FLRW universe
• Cosmology in holographic non-minimal derivative coupling theory: constraints from inflation and variation of gravitational constant