Shock wave formation in a dc glow discharge dusty plasma

A jump of dust density propagating through the dusty plasma structure has been observed. To excite the disturbance an impulse of axial magnetic field to the dusty plasma in a dc glow discharge striation has been applied. This impulse resulted in the dynamical stretching of the dusty plasma structure...

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Veröffentlicht in:	Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics Statistical physics, plasmas, fluids, and related interdisciplinary topics, 2005-03, Vol.71 (3 Pt 2B), p.036413-036413, Article 036413
Hauptverfasser:	Fortov, V E, Petrov, O F, Molotkov, V I, Poustylnik, M Y, Torchinsky, V M, Naumkin, V N, Khrapak, A G
Format:	Artikel
Sprache:	eng
Schlagworte:	CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COMPRESSION DISTURBANCES DUSTS GLOW DISCHARGES MAGNETIC FIELDS NONLINEAR PROBLEMS PLASMA PLASMA DENSITY PLASMA WAVES PULSES SHOCK WAVES STRIATIONS
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Beschreibung
Zusammenfassung:	A jump of dust density propagating through the dusty plasma structure has been observed. To excite the disturbance an impulse of axial magnetic field to the dusty plasma in a dc glow discharge striation has been applied. This impulse resulted in the dynamical stretching of the dusty plasma structure. During the reconstruction of the structure a ramp-shaped perturbation of dust density appeared. The perturbation was steepening and formed into a dust-acoustic shock. The anomalously high shock compression is observed.
ISSN:	1539-3755 1063-651X 1550-2376 1095-3787
DOI:	10.1103/PhysRevE.71.036413