https://doi.org/10.1140/epjc/s10052-009-1120-1
Regular Article - Theoretical Physics
Interacting polytropic gas model of phantom dark energy in non-flat universe
1
Department of Physics, University of Kurdistan, Pasdaran St., Sanandaj, Iran
2
Research Institute for Astronomy & Astrophysics of Maragha (RIAAM), Maragha, Iran
* e-mail: KKarami@uok.ac.ir
Received:
15
January
2009
Revised:
15
July
2009
Published online:
21
August
2009
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 an even polytropic index by choosing
, one can obtain ω
Λ
eff
<−1, which corresponds to a universe dominated by phantom dark energy.
© Springer-Verlag , 2009
