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Modulation of whistler waves in nonthermal plasmas

Physics of Plasmas, ISSN: 1070-664X, Vol: 18, Issue: 2
2011
  • 13
    Citations
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  • 8
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Metrics Details

  • Citations
    13
    • Citation Indexes
      13
  • Captures
    8

Article Description

The modulation of whistler waves in nonthermal plasmas is investigated. The dynamics of the magnetized plasma is described by the fluid equations and the electron velocity distribution function is modeled via a nonthermal κ distribution. A multiscale perturbation analysis based on the Krylov-Bogoliubov-Mitropolsky method is carried out and the nonlinear Schrödinger equation governing the modulation of the high-frequency whistler is obtained. The effect of the superthermal electrons on the stability of the wave envelope and soliton formation is discussed and a comparison with previous results is presented. © 2011 American Institute of Physics.

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