Holographic Dark Energy Model and Scalar-Tensor Theories

Details Holographic Dark Energy Model and Scalar-Tensor Theories Holographic Dark Energy Model and Scalar-Tensor Theories

2008-08-10

arxiv.org/abs/0808.1424v1

Gen.Rel.Grav.41:305-313,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, no figure. To appear in General Relativity and Gravitation

Scientific paper

10.1007/s10714-008-0676-7

We study the holographic dark energy model in a generalized scalar tensor theory. In a universe filled with cold dark matter and dark energy, the effect of potential of the scalar field is investigated in the equation of state parameter. We show that for a various types of potentials, the equation of state parameter is negative and transition from deceleration to acceleration expansion of the universe is possible.

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