With large-scale homogeneity,the universe is locally inhomogeneous,clustering into stars,galaxies and larger structures.Such property is described by the smooth
【出 处】
:
天文和天体物理学研究:英文版
【发表日期】
:
2011年2期
【基金项目】
:
Supported by the National Natural Science Foundation of China.
We consider spatially homogeneous and anisotropic Bianchi type V space- time with a bulk viscous fluid source, and time varying gravitational constant G and cos