Zero Cosmological Constant and Nonzero Dark Energy from Holographic Principle

Details Zero Cosmological Constant and Nonzero Dark Energy from Holographic Principle Zero Cosmological Constant and Nonzero Dark Energy from Holographic Principle

2010-03-09

arxiv.org/abs/1003.1878v3

Physics

High Energy Physics

High Energy Physics - Theory

Revtex 7 pages 2 figs

Scientific paper

It is shown that the first law of thermodynamics and the holographic principle applied to a cosmic causal horizon demand the zero cosmological constant and non-zero dynamical dark energy in the form of the holographic dark energy. This dark energy has a parameter $d=1$ and an equation of state $w_0\simeq -0.903$ comparable to current observational data, if entropy of the horizon saturates the Bekenstein-Hawking bound.

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