@article{d504766aea954f05b8145149c4f89e44,
title = "Rolling tachyons in string cosmology",
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.",
keywords = "Dilaton, Rolling tachyon, String cosmology",
author = "Chanju Kim and Kim, {Hang Bae} and Yoonbai Kim",
note = "Funding Information: We would like to thank Nakwoo Kim and Jung Tay Yee for discussions on D-brane systems. H.B. Kim and Y. Kim would like to acknowledge the hospitality of Korea Institute for Advanced Study where a part of this work has been done. This work was supported by Korea Research Foundation Grant KRF-2002-070-C00025 (C.K.) and the Swiss Science Foundation, grant 21-58947.99 (H.B.K.), and is the result of research activities (Astrophysical Research Center for the Structure and Evolution of the Cosmos (ARCSEC) and the Basic Research Program, R01-2000-000-00021-0) supported by Korea Science Engineering Foundation (Y.K.).",
year = "2003",
month = jan,
day = "23",
doi = "10.1016/S0370-2693(02)03126-X",
language = "English",
volume = "552",
pages = "111--118",
journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
issn = "0370-2693",
publisher = "Elsevier",
number = "3-4",
}