Cosmology of Rolling Tachyon
classification
✦ hep-th
keywords
actioncosmologyrollingtachyonabelianborn-infeldcosmologicald-branes
read the original abstract
We study dynamics of rolling tachyon and Abelian gauge field on unstable D-branes, of which effective action is given by Born-Infeld type nonlocal action. Possible cosmological evolutions are also discussed. In the Einstein frame of string cosmology, every expanding flat universe is proven to be decelerating.
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