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Alfvén vortices in nonuniform dusty magnetoplasmas

P. K. Shukla, R. K. Varma, V. Krishan, and J. F. McKenzie

  • Institut für Theoretische Physik IV, Ruhr-Universität Bochum, D-W-4630 Bochum 1, Germany

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Phys. Rev. E 47, 750 – Published 1 January, 1993

DOI: https://doi.org/10.1103/PhysRevE.47.750

Abstract

The Alfvén waves are shown to be linearly coupled with finite-frequency convective cell modes in a nonuniform cold dusty magnetoplasma. The dynamics of weakly interacting finite-amplitude electromagnetic oscillations is governed by a pair of nonlinear equations. The latter admit dipolar vortices as possible stationary solutions. The present results can have relevance to the nonlinear electromagnetic wave propagation in a space environment such as cometary tails or interstellar clouds.

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Outline

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Phys. Rev. E 47, 750– Published 1 January, 1993
  • Received 31 August 1992

© 1993 American Physical Society

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