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Geodesic Acoustic Mode in an Elliptic Cylinder

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Abstract

Using equations for small plasma oscillations in an elliptic current-carrying cylinder, it is demonstrated that, in a configuration with magnetic surfaces and geodesic curvature, excitation of a longitudinal displacement with a poloidal mode number determined by the geodesic curvature is accompanied by the appearance of a zero angular harmonic in the transverse displacement.

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Authors and Affiliations

  1. National Research Center “Kurchatov Institute,”, Moscow, 123182, Russia

    A. A. Skovoroda & E. A. Sorokina

  2. People’s Friendship University of Russia (RUDN University), Moscow, 117198, Russia

    A. A. Skovoroda & E. A. Sorokina

Authors
  1. A. A. Skovoroda
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  2. E. A. Sorokina
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Correspondence to A. A. Skovoroda.

Additional information

Original Russian Text © A.A. Skovoroda, E.A. Sorokina, 2018, published in Fizika Plazmy, 2018, Vol. 44, No. 11, pp. 925–934.

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Skovoroda, A.A., Sorokina, E.A. Geodesic Acoustic Mode in an Elliptic Cylinder. Plasma Phys. Rep. 44, 1076–1084 (2018). https://doi.org/10.1134/S1063780X18110107

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  • DOI: https://doi.org/10.1134/S1063780X18110107

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