Exact scaling solutions and fixed points for general scalar field

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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 Publication	PHYSICS LETTERS B
Keyword	Cosmological Constant Brane Potentials Supernovae Gravity Lambda Space
Abstract	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
ISSN	0370-2693
Volume	636 Issue:5 Pages:286-292
Subject Area	Physics
Indexed By	SCI
Citation statistics	Cited Times:39[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.itp.ac.cn/handle/311006/5985
Collection	SCI期刊论文
Corresponding Author	Gong, 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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