Some Inhomogeneous Magnetized Viscous Fluid Cosmological Models with Varying $Λ$

Details Some Inhomogeneous Magnetized Viscous Fluid Cosmological Models with Varying $Λ$ Some Inhomogeneous Magnetized Viscous Fluid Cosmological Models with Varying $Λ$

2003-06-10

arxiv.org/abs/gr-qc/0306039v1

Czech.J.Phys. 54 (2004) 255-272

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

17 pages, 1 figure

Scientific paper

10.1023/B:CJOP.0000014406.99587.

Some cylindrically symmetric inhomogeneous viscous fluid cosmological models with electro-magnetic field are obtained. To get a solution a supplementary condition between metric potentials is used. The viscosity coefficient of bulk viscous fluid is assumed to be a power function of mass density. Without assumin g any {\it ad hoc} law, we obtain a cosmological constant as a decreasing function of time. The behaviour of the electro-magnetic field tensor together with some p hysical aspects of the model are also discussed.

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