Born-Infeld type phantom model in the ω-ω′ plane

被引：18
|
作者：
Huang, Z. G. [1 ]
Li, X. H. [1 ]
Sun, Q. Q. [1 ]
机构：
[1] Huaihai Inst Technol, Dept Math & Phys, Lianyungang 222005, Jiangsu, Peoples R China
来源：
ASTROPHYSICS AND SPACE SCIENCE | 2007年 / 310卷 / 1-2期
关键词：
dark energy; born-Infeld; phantom; omega-omega' plane; attractor;
D O I：
10.1007/s10509-007-9412-0
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this paper, we investigate the dynamics of Born-Infeld (B-I) phantom model in the omega-omega' plane, which is defined by the equation of state parameter for the dark energy and its derivative with respect to N (the logarithm of the scale factor a). We find the scalar field equation of motion in omega-omega' plane, and show mathematically the property of attractor solutions which correspond to omega(phi) similar to -1, ohm (phi) = 1, which avoid the "Big rip" problem and meets the current observations well.
引用
收藏
页码：53 / 57
页数：5
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