Original scientific paper

Bianchi type I bulk viscous fluid tilted cosmological model filled with disordered radiation and heat conduction

Raj Bali ; Department of Mathematics, University of Rajasthan, Jaipur-302004 (Raj.), India
Pramila Kumawat ; Department of Mathematics, University of Rajasthan, Jaipur-302004 (Raj.), India

Abstract

Bianchi type I bulk viscous fluid tilted cosmological model filled with disordered radiation and heat conduction is investigated. We assume that the eigenvalue σ 1 1 of the shear tensor σ j i is proportional to the expansion (θ) which leads to A = (BC) n between metric potentials A, B, C with n = constant and ζθ = K(constant), where ζ is the coefficient of bulk viscosity in the model. To get the deterministic model in terms of cosmic time t, we discuss some physically valid special models for different values of parameters. The physical and geometrical aspects of the models are discussed.

Keywords

Bianchi type I cosmological model; bulk viscous fluid

Hrčak ID:

304571

URI

https://hrcak.srce.hr/304571

Publication date:

1.3.2009.

Article data in other languages: croatian

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