%0 Journal Article %T Bianchi Type V Viscous Fluid Cosmological Models in Presence of Decaying Vacuum Energy %A Raj Bali %A Pratibha Singh %A J. P. Singh %J Physics %D 2012 %I arXiv %R 10.1007/s10509-012-1134-2 %X Bianchi type V viscous fluid cosmological model for barotropic fluid distribution with varying cosmological term $\Lambda$ is investigated. We have examined a cosmological scenario proposing a variation law for Hubble parameter $H$ in the background of homogeneous, anisotropic Bianchi type V space-time. The model isotropizes asymptotically and the presence of shear viscosity accelerates the isotropization. The model describes a unified expansion history of the universe indicating initial decelerating expansion and late time accelerating phase. Cosmological consequences of the model are also discussed. %U http://arxiv.org/abs/1202.3050v1