Bianchi Type-III String Cosmological Model With Bulk Viscosity and Magnetic Field

Details Bianchi Type-III String Cosmological Model With Bulk Viscosity and Magnetic Field Bianchi Type-III String Cosmological Model With Bulk Viscosity and Magnetic Field

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006chphl..23.1702w&link_type=abstract

Chinese Physics Letters, Volume 23, Issue 7, pp. 1702-1704 (2006).

Physics

38

Scientific paper

The Bianchi type-III cosmological model for a cloud string in the presence of bulk viscosity and magnetic field are presented. To obtain the determinate model it is assumed that there is an equation of state ρ = kλ and the scalar of expansion is proportional to the shear scalar θproptoσ, which leads to a relation between metric potentials B = mCn. The physical and geometric aspects of the model are also discussed. The model describes a shearing non-rotating continuously expanding universe with a big-bang start. In the absence of magnetic field, it reduces to the string model with bulk viscosity that was previously given in the literature.

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