Tachyon-Chaplygin inflation on the brane

Details Tachyon-Chaplygin inflation on the brane Tachyon-Chaplygin inflation on the brane

2008-10-06

arxiv.org/abs/0810.1074v1

Gen.Rel.Grav.41:1259-1271,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

15 pages, 3 figures, Accepted for publication in General Relativity and Gravitation

Scientific paper

10.1007/s10714-008-0703-8

Tachyon-Brane inflationary universe model in the context of a Chaplygin gas equation of state is studied. General conditions for this model to be realizable are discussed. In the high-energy limit and by using an exponential potential we describe in great details the characteristic of this model. Recent observational data from the Wilkinson Microwave Anisotropy Probe experiment are employed to restrict the parameters of the model.

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