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Gong, Yungui; Wang, Anzhong; Zhang, Yuan-Zhong; Gong, Y , Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China
Exact scaling solutions and fixed points for general scalar field
发表期刊PHYSICS LETTERS B
关键词Cosmological Constant Brane Potentials Supernovae Gravity Lambda Space
摘要We show that the most general dark energy model that possesses a scaling solution rho phi alpha a(n) is the k-essence model, which includes both of the quintessence and tachyon models. The exact scaling solutions are then derived. The potential that gives the tracking solution in which dark energy exactly tracks the background matter field is the inverse squared potential. The quintessence field with exponential potential can be obtained from the k-essence field with the inverse squared potential. We also find the fixed points and study their main properties, whereby the scalar field dominant fixed point is identified. (c) 2006 Elsevier B.V. All rights reserved.
2006
ISSN0370-2693
卷号636期号:5页码:286-292
学科领域Physics
收录类别SCI
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5985
专题理论物理所科研产出_SCI论文
通讯作者Gong, Y , Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China
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Gong, Yungui,Wang, Anzhong,Zhang, Yuan-Zhong,et al. Exact scaling solutions and fixed points for general scalar field[J]. PHYSICS LETTERS B,2006,636(5):286-292.
APA Gong, Yungui,Wang, Anzhong,Zhang, Yuan-Zhong,&Gong, Y , Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China.(2006).Exact scaling solutions and fixed points for general scalar field.PHYSICS LETTERS B,636(5),286-292.
MLA Gong, Yungui,et al."Exact scaling solutions and fixed points for general scalar field".PHYSICS LETTERS B 636.5(2006):286-292.
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