Tachyon-Chaplygin inflationary universe model

Details Tachyon-Chaplygin inflationary universe model Tachyon-Chaplygin inflationary universe model

2008-01-21

arxiv.org/abs/0801.3251v1

Phys.Lett.B660:282-286,2008

Astronomy and Astrophysics

Astrophysics

13 pages, 1 figure, Accepted by Physics Letters B

Scientific paper

10.1016/j.physletb.2008.01.016

Tachyonic 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. By using an effective exponential potential we describe in great details the characteristic of the inflationary universe model. The parameters of the model are restricted by using recent astronomical observations.

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