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자연과학대학
물리학전공
Journal papers
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Rolling tachyons in string cosmology
Title
Rolling tachyons in string cosmology
Authors
Kim C.
;
Kim H.B.
;
Kim Y.
Ewha Authors
김찬주
SCOPUS Author ID
김찬주
Issue Date
2003
Journal Title
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
ISSN
0370-2693
Citation
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics vol. 552, no. 3-4, pp. 111 - 118
Indexed
SCI; SCIE; SCOPUS
Document Type
Article
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. © 2002 Elsevier Science B.V. All rights reserved.
DOI
10.1016/S0370-2693(02)03126-X
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