Volume 93, Number 1, January 2011
|Number of page(s)||6|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|Published online||28 January 2011|
Dynamics of dust structures in a dc discharge under action of axial magnetic field
Joint Institute for High Temperatures of RAS - Izhorskaya 13, bld 2, 125412 Moscow, Russia
2 Department of Applied Physics, Eindhoven University of Technology - PO Box 513, 5600 MB Eindhoven, The Netherlands, EU
3 MIPT - Dolgoprudny, Moscow Region, Russia
Accepted: 17 December 2010
Results of experiments on the formation of dusty plasma structures in a stratified dc discharge in axial magnetic fields up to 2500 G are presented. The rotation of the rather small and planar dusty plasma structures has been observed. As the field increases, the inversion of the structure rotation occurs, and when it reaches 700 G, the displacement of dust particles from the axial region of the discharge to the periphery, along with the rotation continuation, is observed. The explanation of the features in the dynamical behavior of the dust particles in the discharge, in particular the rotation inversion, is proposed.
PACS: 52.27.Lw – Dusty or complex plasmas; plasma crystals
© EPLA, 2011
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