Note on Holographic RG Flow in String Cosmology

Details Note on Holographic RG Flow in String Cosmology Note on Holographic RG Flow in String Cosmology

2001-11-22

arxiv.org/abs/hep-th/0111201v3

Class.Quant.Grav. 19 (2002) 3281-3292

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, no figure; v3. references added, final to CQG

Scientific paper

10.1088/0264-9381/19/12/311

We propose a new holographic C-function for the accelerating universe defined in the stringy frame motivated mainly by the fact that the number of degrees of freedom should be infinite for a physical system of infinite size. This is the generalization of Strominger's recent proposal of the holographic C-function to the asymptotically non-de Sitter universe. We find that the corresponding C-theorem holds true if the universe accelerates toward the weak coupling regime driven by the exponential dilaton potential. It also holds in other simple cases.

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