A superdense star model as charged analogue of Schwarzschild's interior solution

Details A superdense star model as charged analogue of Schwarzschild's interior solution A superdense star model as charged analogue of Schwarzschild's interior solution

Mar 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005gregr..37..575g&link_type=abstract

General Relativity and Gravitation, Volume 37, Issue 3, pp.575-583

Physics

16

Charge Fluids, Reissner–Nordström, Schwarzschild Interior Solution

Scientific paper

A charged analogue of Schwarzschild's interior solution has been derived by considering the non-gravitational energy density to be constant along with a special choice of electric intensity. The charged fluid sphere so obtained is seen to be more general than that of P.S. Florides and joins smoothly with the Reissner-Nordström metric at the pressure-free interface. Also the new charged fluid sphere is capable of representing a superdense star with surface density of 2×1014 g cm-3 which can occupy maximum mass 1.502408 times the solar mass. In the process of deriving the solution, the authors have also come across A. L. Mehra's gaseous charged fluid model which is found to be unphysical as it has negative pressure at least at the center of the model.

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