Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ap%26ss.332..481m&link_type=abstract
Astrophysics and Space Science, Volume 332, Issue 2, pp.481-490
Astronomy and Astrophysics
Astrophysics
5
Canonical Coordinates, Charged Fluids, Superdense Star, General Relativity
Scientific paper
A family of charge analogues of a neutral solution with g 44=(1+ Cr 2)6 has been obtained by using a specific electric intensity, which involves a parameter K. Both neutral and charged solutions are analysed physically subject to the surface density 2×1014 gm/cm3 (neutron star). The neutral solution is well behaved for 0.0< Ca 2≤0.10477 while its charge analogues are well behaved for a wide range of a parameter K (0≤ K≤72) i.e. pressure, density, pressure-density ratio, velocity of sound is monotonically decreasing and the electric intensity is monotonically increasing in nature for the given range of the parameter K. The maximum mass and radius occupied by the neutral solution are 3.4126 M Θ and 18.9227 km for Ca 2=0.10447 respectively. While the red shift at centre Z 0=0.9686 and red shift at the surface Z a =0.4612. For the charged solution, the maximum mass and radius are 5.6111 M Θ and 17.2992 km respectively for K=3.0130 and Ca 2=0.2500, with the red shift Z 0=3.0113 and Z a =1.0538.
Gupta Y. K.
Maurya Sunil Kumar
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