Astronomy and Astrophysics – Astrophysics
Scientific paper
2007-05-16
Int.J.Mod.Phys.D16:1745-1759,2007
Astronomy and Astrophysics
Astrophysics
15 pages, 12 figures
Scientific paper
10.1142/S021827180701105X
In this article, Einstein-Maxwell space-time has been considered in connection to some of the astrophysical solutions as previously obtained by Tolman (1939) and Bayin (1978). The effect of inclusion of charge into these solutions has been investigated thoroughly and also the nature of fluid pressure and mass density throughout the sphere have been discussed. Mass-radius and mass-charge relations have been derived for various cases of the charged matter distribution. Two cases are obtained where perfect fluid with positive pressures give rise to electromagnetic mass models such that gravitational mass is of purely electromagnetic origin.
Das Basanti
Rahaman Farook
Ray Saibal
Ray Subharthi
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