Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2009-12-18
Int.J.Mod.Phys.D20:1675-1687,2011
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
12 Latex pages, 4 figures, considerable corrections in the mathematical symbols and calculations
Scientific paper
10.1142/S0218271811019724
In this paper we study the isotropic cases of static charged fluid spheres in general relativity. For this purpose we consider two different specialization and under these we solve the Einstein-Maxwell field equations in isotropic coordinates. The analytical solutions thus we obtained are matched to the exterior Reissner-Nordstr\"om solutions which concern with the values for the metric coefficients $e^{\nu}$ and $e^{\mu}$. We derive the pressure, density, pressure-to-density ratio at the centre of the charged fluid sphere and boundary $R$ of the star. Our conclusion is that static charged fluid spheres provide a good connection to compact stars.
Das Basanti
Radinschi Irina
Rahaman Farook
Ray Pratap Chandra
Ray Saibal
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