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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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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.