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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
Source PublicationPHYSICS LETTERS B
KeywordCosmological Constant Brane Potentials Supernovae Gravity Lambda Space
AbstractWe 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
Volume636Issue:5Pages:286-292
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5985
Collection理论物理所科研产出_SCI论文
Corresponding AuthorGong, Y , Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China
Recommended Citation
GB/T 7714
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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