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Resonance interaction of electrons with a slow transverse wave in a weakly inhomogeneous plasma

  • Oscillations and Waves in Plasma
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Abstract

Excitation of a circularly polarized slow wave by external sources and its subsequent propagation in a weakly inhomogeneous plasma with a positive density gradient are described in terms of the adiabatic approach. It is shown that the wave dispersion is mainly determined by the ratio between the contributions of trapped and nonresonant untrapped electrons to the total wave current. The relationship between the wave amplitude and its phase velocity and the limiting phase velocity above which the wave is strongly damped are found using the energy balance equation and the dispersion relation.

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Authors and Affiliations

  1. Institute of Technology, Southern Federal University, Nekrasovskiĭ per. 44, Taganrog, Rostov oblast, 347928, Russia

    A. I. Matveev

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  1. A. I. Matveev
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Original Russian Text © A.I. Matveev, 2009, published in Fizika Plazmy, 2009, Vol. 35, No. 4, pp. 351–360.

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Matveev, A.I. Resonance interaction of electrons with a slow transverse wave in a weakly inhomogeneous plasma. Plasma Phys. Rep. 35, 315–323 (2009). https://doi.org/10.1134/S1063780X09040047

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  • DOI: https://doi.org/10.1134/S1063780X09040047

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