Bianchi Type III String Cosmological Models with Time Dependent Bulk Viscosity

Details Bianchi Type III String Cosmological Models with Time Dependent Bulk Viscosity Bianchi Type III String Cosmological Models with Time Dependent Bulk Viscosity

2006-11-03

arxiv.org/abs/gr-qc/0611018v2

Chin. Phys. Lett.24:585-588,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, no figure

Scientific paper

10.1088/0256-307X/24/2/079

Bianchi type III string cosmological models with bulk viscous fluid for massive string are investigated. To get the determinate model of the universe, we have assumed that the coefficient of bulk viscosity ($\xi$) is inversely proportional to the expansion ($\theta$) in the model and expansion ($\theta$) in the model is proportional to the shear ($\sigma$). This leads to $B = \ell C^{n}$, $\ell$ and $n$ are constants. The behaviour of the model in presence and absence of bulk viscosity, is discussed. The physical implications of the models are also discussed in detail.

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