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Tachyon-polytropic inflation on the brane

  • Research Article
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Central European Journal of 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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Authors and Affiliations

  1. Department of Science, Campus of Bijar, University of Kurdistan, Bijar, Iran

    Mohammad R. Setare & Vahid Kamali

Authors
  1. Mohammad R. Setare
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  2. Vahid Kamali
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Correspondence to Mohammad R. Setare.

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Setare, M.R., Kamali, V. Tachyon-polytropic inflation on the brane. centr.eur.j.phys. 11, 545–552 (2013). https://doi.org/10.2478/s11534-013-0248-7

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  • DOI: https://doi.org/10.2478/s11534-013-0248-7

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