FRW bulk viscous cosmology with modified cosmic Chaplygin gas

被引：87
|
作者：
Saadat, H. [1 ]
Pourhassan, B. [1 ]
机构：
[1] Islamic Azad Univ, Sepidan Branch, Dept Phys, Sepidan, Iran
来源：
ASTROPHYSICS AND SPACE SCIENCE | 2013年 / 344卷 / 01期
关键词：
FRW cosmology; Modified cosmic Chaplygin gas; Bulk viscosity; HIGH-REDSHIFT SUPERNOVAE; HUBBLE-SPACE-TELESCOPE; DARK ENERGY; CONSTANT PROBLEM; MODEL; CONSTRAINTS; EVOLUTION; UNIVERSE; FLUID;
D O I：
10.1007/s10509-012-1301-5
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this paper we study FRW bulk viscous cosmology in presence of modified cosmic Chaplygin gas. We obtain generalized Friedmann equations due to bulk viscosity and modified cosmic Chaplygin gas. Then, we calculate time-dependent energy density and discuss Hubble expansion parameter.
引用
收藏
页码：237 / 241
页数：5
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