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Tachyon-polytropic inflation on the brane
Authors:Mohammad R Setare  Vahid Kamali
Institution:1248. Department of Science, Campus of Bijar, University of Kurdistan, Bijar, Iran
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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