Gravitational Radiation of Rolling Tachyon
High Energy Physics - Theory
2014-11-18 v3 General Relativity and Quantum Cosmology
Abstract
In this paper we compute the radiation of the massless closed string states due to the non-vanishing coupling to the rolling open string tachyon with co-dimensions larger than 2, and discuss the effect of back reaction to the motion of the rolling tachyon. We find that for small string coupling, the tachyonic matter remains in the late time, but it will completely evaporate away over a short time of few string scales if the string coupling is huge. Comment on the implication of our results to the g-theorem of boundary conformal field theory is given.
Cite
@article{arxiv.hep-th/0209222,
title = {Gravitational Radiation of Rolling Tachyon},
author = {Bin Chen and Miao Li and Feng-Li Lin},
journal= {arXiv preprint arXiv:hep-th/0209222},
year = {2014}
}
Comments
17 pages, 1 figure; v2 correct typos, add references & acknowledgement; v3 final to appear on JHEP with minor comment and references added