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Charged fluid without electric field: a generalization of the Godel solution

N V Mitskievic and G A Tsalakou

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According to the Maxwell equations in an arbitrary reference frame in general relativity the electric charge distribution may be completely compensated by a magnetic field in the presence of the frame's rotation. Exact self-consistent examples of systems containing a charged fluid, purely magnetic field and gravitation, are constructed forming a generalization of the Godel solution. The absence of an electric field in these systems in the co-moving (with matter) reference frame is in agreement with the above property of the Maxwell equations resulting in no repulsion between similar charges. In the limiting case when the charge density of the fluid vanishes, the Godel solution is recovered. Geometric, hydrodynamic and electromagnetic properties of the new solutions are studied.


PACS

04.40.-b Self-gravitating systems; continuous media and classical fields in curved spacetime

04.20.Jb Exact solutions

MSC

83E05 Geometrodynamics

83C15 Exact solutions

83C50 Electromagnetic fields

Subjects

Gravitation and cosmology

Dates

Issue 1 (January 1991)



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