Dynamical properties of drift vortices

Drift vortices are described by the Hasegawa–Mima equation in the case of density gradient drift waves. From computer results, it is known that the modon solutions of the Hasegawa–Mima equation are quite stable. Here the linear stability of ground state modon solutions is proved analytically by an i...

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Veröffentlicht in:	Phys. Fluids; (United States) 1985-03, Vol.28 (3), p.1008-1010
Hauptverfasser:	Laedke, E. W., Spatschek, K. H.
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700108 - Fusion Energy- Plasma Research- Wave Phenomena ANALYTICAL SOLUTION DRIFT INSTABILITY Exact sciences and technology INSTABILITY NONLINEAR PROBLEMS Physics Physics of gases, plasmas and electric discharges Physics of plasmas and electric discharges PLASMA PLASMA DENSITY PLASMA INSTABILITY PLASMA MICROINSTABILITIES VORTICES Waves, oscillations, and instabilities in plasmas and intense beams
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Beschreibung
Zusammenfassung:	Drift vortices are described by the Hasegawa–Mima equation in the case of density gradient drift waves. From computer results, it is known that the modon solutions of the Hasegawa–Mima equation are quite stable. Here the linear stability of ground state modon solutions is proved analytically by an indirect technique.
ISSN:	0031-9171 2163-4998
DOI:	10.1063/1.865094