Phantom cosmology with non-minimally coupled real scalar field

被引：0
|
作者：
Sun, ZY
Shen, YG [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Astronom Observ, Shanghai 200030, Peoples R China
[2] China Natl Astronom Observ, Beijing 100012, Peoples R China
[3] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
[4] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
GENERAL RELATIVITY AND GRAVITATION | 2005年 / 37卷 / 01期
基金：
中国国家自然科学基金;
关键词：
dark energy; phantom; non-minimally coupled; scalar field;
D O I：
10.1007/s10714-005-0014-2
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We find that the expansion of the universe is accelerating by analyzing the recent observation data of type Ia supernova ( SN- Ia). It indicates that the equation of state of the dark energy might be smaller than - 1, which leads to the introduction of phantom models featured by its negative kinetic energy to account for the regime of equation of state parameter w < - 1. In this paper the possibility of using a non- minimally coupled real scalar field as phantom to realize the equation of state parameter w < - 1 is discussed. The main equations which govern the evolution of the universe are obtained. Then we rewrite them with the observable quantities.
引用
收藏
页码：243 / 251
页数：9
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