Rolling Tachyons in String Cosmology
arXiv:hep-th/0210101 · doi:10.1016/S0370-2693(02)03126-X
Abstract
We study the role of rolling tachyons in the cosmological model with dilatonic gravity. In the string frame, flat space solutions of both initial-stage and late-time are obtained in closed form. In the Einstein frame, we show that every expanding solution is decelerating.
More references added. A version to be published in Phys.Lett.B
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