Holographic Dark Energy and Present Cosmic Acceleration
Diego Pavon, Winfried Zimdahl
TL;DR
This paper reviews holographic dark energy and proposes a model with the Hubble scale as the infrared cutoff, explaining current cosmic acceleration without the coincidence problem.
Contribution
It introduces a holographic dark energy model based on the Hubble scale that naturally explains cosmic acceleration and avoids the coincidence problem.
Findings
The model accounts for present cosmic acceleration.
It is free of the cosmic coincidence problem.
Supports holographic dark energy as a viable explanation.
Abstract
We review the notion of holographic dark energy and assess its significance in the light of the well documented cosmic acceleration at the present time. We next propose a model of holographic dark energy in which the infrared cutoff is set by the Hubble scale. The model accounts for the aforesaid acceleration and, by construction, is free of the cosmic coincidence problem.
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