Title: Tripolar vortex in a plasma
Authors: Okamoto, A ×
Nagaoka, K
Yoshimura, S
Vranjes, Jovo
Kado, S
Kono, M
Tanaka, MY #
Issue Date: 2005
Publisher: Ieee-inst electrical electronics engineers inc
Series Title: IEEE Transactions on plasma science vol:33 issue:2 pages:452-453
Abstract: A tripolar vortex is spontaneously generated in a magnetized plasma. The How velocity field of ions has been measured with a directional Langmuir probe, exhibiting the tripolar structure in vorticity distribution. The most remarkable feature of the tripolar vortex is that the polarity of rotation of each vortex is opposite to that of E x B drift. It is found that the charge-exchange process with inhomogeneous background neutrals produces an effective force, which dominates the electric field and drives the plasma into anti-E x B rotation.
ISSN: 0093-3813
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Plasma-astrophysics Section
× corresponding author
# (joint) last author

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