Exact BD-FRW imperfect fluid cosmologies with an electromagnetic field

Details Exact BD-FRW imperfect fluid cosmologies with an electromagnetic field Exact BD-FRW imperfect fluid cosmologies with an electromagnetic field

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.137..281j&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 137, no. 2, Oct. 1987, p. 281-292.

Statistics

Computation

Cosmology, Field Theory (Physics), Fluid Dynamics, Interplanetary Dust, Interplanetary Magnetic Fields, Computational Astrophysics, Magnetic Field Configurations, Thermodynamics

Scientific paper

The work of Johri and Sudharsan (1987) is generalized to include a magnetic field in the radial direction. It is found that the k = 0 FRW metric, which admits a dust solution in the Brans-Dicke theory, also admits an imperfect fluid distribution along with an electromagnetic field. Solutions are found as a function of time and radial coordinates, and they are shown to satisfy all the necessary energy and thermodynamic conditions. The solutions remain valid if a sourceless electric field is present along the radial direction or if both an electric and a magnetic field are present along the radial direction.

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