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Dark and grey electromagnetic electron-cyclotron envelope solitons in an electron-positron magnetoplasma

Shukla, P.K. and Bingham, R. and Phelps, A.D.R. and Stenflo, L. (2009) Dark and grey electromagnetic electron-cyclotron envelope solitons in an electron-positron magnetoplasma. Journal of Plasma Physics, 75. pp. 575-580. ISSN 0022-3778

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Abstract

We present an investigation of the amplitude modulation of an external magnetic field-aligned right-hand circularly polarized electromagnetic electron-cyclotron move in a strongly magnetized electron-positron plasma. It is shown that the dynamics of the modulated EMEC wave packet is governed by a, cubic nonlinear Schrodinger equation. The latter reveals that a modulated wave packet can propagate W the form of either a dark or a grey envelope Won. This result could have relevance to he transport of electromagnetic move energy over long distances via envelope solitons in the magnetospheres of pulsars and magnetars.

Item type: Article
ID code: 18952
Keywords: extragalactic radio-sources, nonlinear propagation, pulsar magnetospheres, pair production, laser-pulses, plasmas, waves, instability, modes, field, Plasma physics. Ionized gases, Condensed Matter Physics
Subjects: Science > Physics > Plasma physics. Ionized gases
Department: Faculty of Science > Physics
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 10 Jun 2010 16:41
    Last modified: 28 Mar 2014 05:21
    URI: http://strathprints.strath.ac.uk/id/eprint/18952

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