Interacting holographic tachyon model of dark energy

Details Interacting holographic tachyon model of dark energy Interacting holographic tachyon model of dark energy

2010-02-15

arxiv.org/abs/1002.2929v2

Int. J. Mod. Phys. D 19, 573 (2010)

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages, 8 figures, accepted for publication in IJMPD

Scientific paper

10.1142/S0218271810016580

We propose a holographic tachyon model of dark energy with interaction between the components of the dark sector. The correspondence between the tachyon field and the holographic dark energy densities allows the reconstruction of the potential and the dynamics of the tachyon scalar field in a flat Friedmann-Robertson-Walker universe. We show that this model can describe the observed accelerated expansion of our universe with a parameter space given by the most recent observational results.

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