Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 64, Issue 1, Pages 85-88Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-009-1120-1
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- Research Institute for Astronomy & Astrophysics of Maragha (RIAAM), Maragha, Iran
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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 K > Ba-3/n, one can obtain omega(eff)(Lambda) < - 1, which corresponds to a universe dominated by phantom dark energy.
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