Geodesic
Remark on the dissipation of the magnetic helicity integral
Teoretičeskaâ i matematičeskaâ fizika, Tome 158 (2009) no. 1, pp. 150-160 Cet article a éte moissonné depuis la source Math-Net.Ru

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We prove that the current helicity integral for a thin magnetic tube is directly proportional to the twist Tw of field lines, which appears in the Călugărianu formula as a summand. Using this approach, we analyze the law of the variation of magnetic helicity in a conducting medium with a nonzero magnetic diffusion coefficient and also the equation of the phase transition of the magnetic field under early universe conditions.
Keywords: magnetohydrodynamics, magnetic helicity, dissipative effect, Fuller formula, standard model.
Mots-clés : Călugărianu formula 
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P. M. Akhmet'ev; O. V. Kunakovskaya; V. A. Kutvitskii. Remark on the dissipation of the magnetic helicity integral. Teoretičeskaâ i matematičeskaâ fizika, Tome 158 (2009) no. 1, pp. 150-160. http://geodesic.mathdoc.fr/item/TMF_2009_158_1_a9/

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