Abstract
The propagation of electromagnetic surface waves with extraordinary polarization across the circular axis of a metal ring in a magnetized plasma is studied using perturbation theory. The amplitude of the fundamental mode of these waves is determined to within second-order terms, and the amplitudes of the nearest satellite modes are found correct to first-order terms. The correction to the eigenfrequency that comes from the nonuniformity of a constant toroidal magnetic field is shown be a second-order quantity.
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Translated from Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 72, No. 7, 2002, pp. 52–57.
Original Russian Text Copyright © 2002 by Girka.
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Girka, I.A. Azimuthal surface waves at the plasma-metal boundary in a nonuniform toroidal magnetic field. Tech. Phys. 47, 845–850 (2002). https://doi.org/10.1134/1.1495045
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DOI: https://doi.org/10.1134/1.1495045