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BY-NC-ND 3.0 license Open Access Published by De Gruyter Open Access July 28, 2013

Tachyon-polytropic inflation on the brane

  • Mohammad Setare EMAIL logo and Vahid Kamali
From the journal Open Physics

Abstract

We consider the tachyon-brane inflationary universe model in the context of a polytropic gas equation of state. In slow-roll approximation, we discuss general conditions of this model. For exponential potential, in high-energy limit the characteristics of the model are presented. By using the seven-year Wilkinson Microwave Anisotropy Probe (WMAP7) observational data, we constrain the cosmological parameters of the model.

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Published Online: 2013-7-28
Published in Print: 2013-5-1

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