Dynamics of tachyon field in spatially curved FRW universe

Details Dynamics of tachyon field in spatially curved FRW universe Dynamics of tachyon field in spatially curved FRW universe

2010-03-09

arxiv.org/abs/1003.1870v2

Phys.Lett.B686:221-226,2010

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, 2 figures, version to be published in PLB

Scientific paper

10.1016/j.physletb.2010.02.071

The dynamics of a tachyon field plus a barotropic fluid is investigated in
spatially curved FRW universe. We perform a phase-plane analysis and obtain
scaling solutions accompanying with a discussion on their stability.
Furthermore, we construct the form of scalar potential which may give rise to
stable solutions for spatially open and closed universe separately.

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