Tachyon-polytropic inflation on the brane

• Authors: Mohammad Setare , Vahid Kamali
• Languages of publication: EN

Abstracts

EN

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.

Keywords

EN

slow-roll approximation; WMAP7 model; inflationary universe; curvature perturbation; inflation on the Brane

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2013
• Volume: 11
• Issue: 5
• Pages: 545-552

Dates

published

1 - 5 - 2013

online

28 - 7 - 2013

Contributors

author

Mohammad Setare

• Department of Science, Campus of Bijar, University of Kurdistan, Bijar, Iran

author

Vahid Kamali

• Department of Science, Campus of Bijar, University of Kurdistan, Bijar, Iran

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Identifiers

DOI

10.2478/s11534-013-0248-7