Dynamical Study of a Constant Viscous Dark Energy Model in Classical and Loop Quantum Cosmology

被引：1

作者：

Benchikh, Sara ^{[1
]}

Mebarki, Noureddine ^{[1
]}

Aberkane, Dalel ^{[1
]}

机构：

[1] Mentouri Univ, Lab Phys Math & Subatom, Route Ain El Bey, Constantine 25000, Algeria

来源：

CHINESE PHYSICS LETTERS | 2016年 / 33卷 / 05期

关键词：

CURVATURE; EQUATION; UNIVERSE;

D O I：

10.1088/0256-307X/33/5/059501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Dynamical behaviors and stability properties of a flat space Friedmann-Robertson-Walker universe filled with pressureless dark matter and viscous dark energy are studied in the context of standard classical and loop quantum cosmology. Assuming that the dark energy has a constant bulk viscosity, it is found that the bulk viscosity effects influence only the quintessence model case leading to the existence of a viscous late time attractor solution of de-Sitter type, whereas the quantum geometry effects influence the phantom model case where the big rip singularity is removed. Moreover, our results of the Hubble parameter as a function of the redshift are in good agreement with the more recent data.

引用

页数：5

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