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Relativistic modulational instability of electron-cyclotron waves in plasmas

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Abstract

The modulational instability of a finite amplitude electron-cyclotron wave along the external magnetic field is reconsidered. Accounting for relativistic electron mass variation nonlinearity and the radiation pressure-driven electrostatic fluctuations, new regimes for the relativistic modulational instability are obtained. Particular emphasis is placed for the case in which the term resulting from relativistic electron mass modulation cancels the term arising from the diffraction of the electron-cyclotron wave.

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Author notes

  1. M. Y. El-Ashry

    Present address: Physics Department, Faculty of Science, Suez Canal University, Ismailia, Egypt

Authors and Affiliations

  1. Department of Physics, Ruhr University of Bochum, F.R.G.

    P. K. Shukla & M. Y. El-Ashry

Authors
  1. P. K. Shukla
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  2. M. Y. El-Ashry
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Shukla, P.K., El-Ashry, M.Y. Relativistic modulational instability of electron-cyclotron waves in plasmas. Astrophys Space Sci 152, 347–350 (1989). https://doi.org/10.1007/BF00636317

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  • DOI: https://doi.org/10.1007/BF00636317

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