Cosmology of Rolling Tachyon

Details Cosmology of Rolling Tachyon Cosmology of Rolling Tachyon

2003-01-20

arxiv.org/abs/hep-th/0301142v1

Physics

High Energy Physics

High Energy Physics - Theory

LaTex, 27 pages, 2 figures, Proceedings of Pac Memorial Symposium on Theoretical Physics, pp.209--239 (Chungbum Publishing Hou

Scientific paper

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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