Dynamical analysis of the cosmology of mass-varying massive gravity

被引：24
|
作者：
Wu, De-Jun [1 ]
Piao, Yun-Song [1 ]
Cai, Yifu [2 ]
机构：
[1] Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China
[2] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada
来源：
PHYSICS LETTERS B | 2013年 / 721卷 / 1-3期
基金：
加拿大自然科学与工程研究理事会;
关键词：
SCALING SOLUTIONS;
D O I：
10.1016/j.physletb.2013.02.055
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study cosmological evolutions of the generalized model of nonlinear massive gravity in which the graviton mass is given by a rolling scalar field and is varying along time. By performing dynamical analysis, we derive the critical points of this system and study their stabilities. These critical points can be classified into two categories depending on whether they are identical with the traditional ones obtained in General Relativity. We discuss the cosmological implication of relevant critical points. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：7 / 12
页数：6
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