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题名: Non-minimally coupled tachyon and inflation
作者: Piao, YS ;  Huang, QG ;  Zhang, XM ;  Zhang, YZ
刊名: PHYSICS LETTERS B
出版日期: 2003
卷号: 570, 期号:40910, 页码:1-4
学科分类: Physics
通讯作者: Piao, YS , Chinese Acad Sci, Inst High Energy Phys, POB 9184, Beijing 100039, Peoples R China.
部门归属: Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: In this Letter, we consider a model of tachyon with a non-minimal coupling to gravity and study its cosmological effects. Regarding inflation, we show that only for a specific coupling of tachyon to gravity this model satisfies observations and solves various problems which exist in the single and multi tachyon inflation models. But noting in the string theory the coupling coefficient of tachyon to gravity is of order g, which in general is very small, we can hardly expect that the non-minimally coupling of tachyon to gravity could provide a reasonable tachyon inflation scenario. Our work may be a meaningful try for the cosmological effect of tachyon non-minimally coupled to gravity. 2003 Published by Elsevier B.V.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000185288500001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13223
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Piao, YS,Huang, QG,Zhang, XM,et al. Non-minimally coupled tachyon and inflation[J]. PHYSICS LETTERS B,2003,570(40910):1-4.
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