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Stability of electron inertia Alfvén solitons

Published online by Cambridge University Press:  13 March 2009

P. Frycz ,
R. Rankin  and
J. C. Samson
P. Frycz
Affiliation:
Canadian Network for Space Research, University of Alberta, Edmonton, Alberta, CanadaT6G 2E9
R. Rankin
Affiliation:
Canadian Network for Space Research, University of Alberta, Edmonton, Alberta, CanadaT6G 2E9
J. C. Samson
Affiliation:
Canadian Network for Space Research, University of Alberta, Edmonton, Alberta, CanadaT6G 2E9
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Abstract

Das, Kamp and Sluijter have proposed equations describing three-dimensional electron inertia Alfvén waves for which the characteristic length scales in directions parallel and perpendicular to the ambient magnetic field are of the same order. Planar, obliquely propagating soliton solutions of these equations are known to be linearly unstable. Numerical simulations reveal the nonlinear phase of the evolution of these solitons: a transition from flat to cylindrical solitons is observed, followed by breaking-up into three-dimensional localized cavities. The final stage corresponds to wave breaking; no final stable structure is achieved within the model.

Type
Research Article
Information
Journal of Plasma Physics , Volume 48 , Issue 2 , October 1992 , pp. 335 - 343
Copyright
Copyright © Cambridge University Press 1992

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