Interacting polytropic gas model of phantom dark energy in non-flat universe

Details Interacting polytropic gas model of phantom dark energy in non-flat universe Interacting polytropic gas model of phantom dark energy in non-flat universe

2009-11-25

arxiv.org/abs/0911.4915v1

Eur. Phys. J. C 2009, 64, 85

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages

Scientific paper

By introducing the polytropic gas model of interacting dark energy, we obtain
the equation of state for the polytropic gas energy density in a non-flat
universe. We show that for even polytropic index by choosing
$K>Ba^{\frac{3}{n}}$, one can obtain $\omega^{\rm eff}_{\Lambda}<-1$, which
corresponds to a universe dominated by phantom dark energy.

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