Abstract
An exact solution has been obtained for the Einstein-Maxwell field equation with ⋀ corresponding to a spherically-symmetric charged perfect fluid distribution. Here the cosmological constant ⋀ is assumed to be a scalar variable depending on the radial coordinater of the spherical system, viz., ⋀ = ⋀(r). The solution set thus obtained presents an electromagnetic mass model.
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Ray, S., Ray, D. Spherically symmetric electromagnetic mass models with cosmological parameter ⋀. Astrophys Space Sci 203, 211–216 (1993). https://doi.org/10.1007/BF00658989
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DOI: https://doi.org/10.1007/BF00658989