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Exact scaling solutions and fixed points for general scalar field
Gong, Yungui; Wang, Anzhong; Zhang, Yuan-Zhong; Gong, Y , Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China
2006
发表期刊PHYSICS LETTERS B
ISSN0370-2693
卷号636期号:5页码:286-292
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.
部门归属Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China; Baylor Univ, CASPER, Dept Phys, Waco, TX 76798 USA; CCAST, World Lab, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Cosmological Constant Brane Potentials Supernovae Gravity Lambda Space
学科领域Physics
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收录类别SCI
WOS记录号WOS:000237858200008
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被引频次:37[WOS]   [WOS记录]     [WOS相关记录]
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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