Interacting viscous dark energy in a Bianchi type-III universe

被引：2
|
作者：
Amirhashchi, Hassan [1 ]
机构：
[1] Islamic Azad Univ, Mahshahr Branch, Young Researchers & Elite Club, Mahshahr, Iran
来源：
RESEARCH IN ASTRONOMY AND ASTROPHYSICS | 2014年 / 14卷 / 09期
关键词：
Bianchi type-III models; dark energy; statefinder; STRING COSMOLOGICAL MODEL; CHAPLYGIN-GAS; MATTER INTERACTION; 2-FLUID SCENARIO; FRW UNIVERSE; THERMODYNAMICS; DECELERATION; VIOLATION; CONSTANT; NONSTATIONARY;
D O I：
10.1088/1674-4527/14/9/003
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the evolution of the equation of state of viscous dark energy in the scope of Bianchi type III space-time. We consider a case where the dark energy is minimally coupled to the perfect fluid, as well as in direct interaction with it. The viscosity and the interaction between the two fluids are parameterized by constants zeta(0) and sigma, respectively. We have made a detailed investigation of the cosmological implications of this parametrization. To differentiate between different dark energy models, we have performed a geometrical diagnostic by using the statefinder pair {s, r}.
引用
收藏
页码：1121 / 1134
页数：14
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