A Model of Holographic Dark Energy

Details A Model of Holographic Dark Energy A Model of Holographic Dark Energy

2004-03-11

arxiv.org/abs/hep-th/0403127v4

Phys.Lett.B603:1,2004

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, harvmac; v3: comments on the cosmic coincidence problem added

Scientific paper

10.1016/j.physletb.2004.10.014

A model for holographic dark energy is proposed, following the idea that the short distance cut-off is related to the infrared cut-off. We assume that the infrared cut-off relevant to the dark energy is the size of the event horizon. With the input $\Omega_\Lambda=0.73$, we predict the equation of state of the dark energy at the present time be characterized by $w=-0.90$. The cosmic coincidence problem can be resolved by inflation in our scenario, provided we assume the minimal number of e-folds.

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