Stability of the Einstein static Universe in the scalar-tensor theory of gravity

被引：10
|
作者：
Miao, Haitao [1 ,2 ]
Wu, Puxun [1 ,2 ,3 ,4 ]
Yu, Hongwei [1 ,2 ,3 ]
机构：
[1] Ningbo Univ, Ctr Nonlinear Sci, Ningbo 315211, Zhejiang, Peoples R China
[2] Ningbo Univ, Dept Phys, Ningbo 315211, Zhejiang, Peoples R China
[3] Hunan Normal Univ, Synerget Innovat Ctr Quantum Effects & Applicat, Changsha 410081, Hunan, Peoples R China
[4] Peking Univ, Ctr High Energy Phys, Beijing 100080, Peoples R China
来源：
CLASSICAL AND QUANTUM GRAVITY | 2016年 / 33卷 / 21期
基金：
中国国家自然科学基金;
关键词：
big bang singularity; emergent Universe; Einstein static Universe; scalar-tensor theory; EMERGENT UNIVERSE; GENERAL-RELATIVITY; MACHS PRINCIPLE; COSMOLOGY; SCENARIO; ENTROPY;
D O I：
10.1088/0264-9381/33/21/215011
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this paper, we study the viability of a singularity-free emergent scenario in the scalar-tensor theory of gravity by analyzing the stability of the Einstein static (ES) Universe. In order to obtain analytical results, we assume the perfect fluid which fills our Universe to be radiation or pressureless matter. We find that there are no stable ES solutions when scalar perturbations and tensor ones are considered together. Thus, in the scalar-tensor theory of gravity with a normal perfect fluid, such as radiation or pressureless matter, the emergent mechanism cannot be used to avoid the big bang singularity as the Universe cannot stay at the ES state past-eternally.
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收藏
页数：14
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