Journal
PHYSICAL REVIEW D
Volume 66, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.66.063511
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Modeling the potential by an inverse square law in terms of the tachyon field [V(T)=betaT(-2)] we find an exact solution for a spatially flat isotropic universe. We show that for beta>2root3/3 the model undergoes power-law inflation. A way to construct other exact solutions is specified and exemplified.
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