Analytical solutions for cosmological perturbations in a one-component universe with shear stress

被引：3
|
作者：
Skovran, Matej [1 ]
机构：
[1] Comenius Univ, Dept Theoret Phys, Mlynska Dolina 84248, Slovakia
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2015年 / 24卷 / 08期
关键词：
Cosmological perturbations; shear stress;
D O I：
10.1142/S0218271815500637
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We construct explicit solutions for scalar, vector and tensor perturbations in a less known setting, a flat universe filled by an isotropic elastic solid with pressure and shear modulus proportional to energy density. The solutions generalize the well-known formulas for cosmological perturbations in a universe filled by ideal fluid.
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收藏
页数：12
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