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Nonlinear mechanism for the generation of electromagnetic fields in a magnetized plasma by the beatings of waves

  • Nonlinear Phenomena
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Abstract

The modulational instability in a plasma in a strong constant external magnetic field is considered. The plasmon condensate is modulated not by conventional low-frequency ion sound but by the beatings of two high-frequency transverse electromagnetic waves propagating along the magnetic field. The instability reduces the spatial scales of Langmuir turbulence along the external magnetic field and generates electromagnetic fields. It is shown that, for a pump wave with a sufficiently large amplitude, the effect described in the present paper can be a dominant nonlinear process.

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Authors and Affiliations

  1. Vekua Institute of Applied Mathematics, Tbilisi State University, Tbilisi, 380043, Georgia

    G. D. Aburjania, G. Z. Machabeli & O. A. Kharshiladze

Authors
  1. G. D. Aburjania
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  2. G. Z. Machabeli
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  3. O. A. Kharshiladze
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Additional information

Original Russian Text © G.D. Aburjania, G.Z. Machabeli, O.A. Kharshiladze, 2006, published in Fizika Plazmy, 2006, Vol. 32, No. 7, pp. 632–639.

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Aburjania, G.D., Machabeli, G.Z. & Kharshiladze, O.A. Nonlinear mechanism for the generation of electromagnetic fields in a magnetized plasma by the beatings of waves. Plasma Phys. Rep. 32, 581–587 (2006). https://doi.org/10.1134/S1063780X06070063

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  • DOI: https://doi.org/10.1134/S1063780X06070063

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