Power-Law Inflation from the Rolling Tachyon

Details Power-Law Inflation from the Rolling Tachyon Power-Law Inflation from the Rolling Tachyon

2002-04-17

arxiv.org/abs/hep-th/0204140v2

Phys.Rev. D66 (2002) 063511

Physics

High Energy Physics

High Energy Physics - Theory

References added. Matches the version in print. To appear in PRD

Scientific paper

10.1103/PhysRevD.66.063511

Modeling the potential by an inverse square law in terms of the tachyon field
($V(T)=\beta T^{-2}$) we find exact solution for spatially flat isotropic
universe.We show that for $\beta>2\sqrt{3}/3$ the model undergoes power-law
inflation. A way to construct other exact solutions is specified and
exemplified.

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