Isometric motion in relativistic magnetohydrodynamics |
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Authors: | C. D. Ciubotariu |
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Affiliation: | Department of Physics, Polytechnic Institute of Jassy, Jassy, Romania |
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Abstract: | It is shown that if the flow of a plasma coupled to a frozen-in magnetic field is isometric, the velocity field, the vorticity tensor and the four-vector magnetic field are invariant under the group of motions. A generalization of Ferraro's theorem of isorotation and of the Bernoulli's theorem for force-free fluids is found. |
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