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Rapid cross-field ion transport in a plasma with sheared parallel flow
Journal article   Peer reviewed

Rapid cross-field ion transport in a plasma with sheared parallel flow

F. Skiff and A. Fasoli
Physics letters. A, Vol.184(1), pp.104-108
12/27/1993
DOI: 10.1016/0375-9601(93)90355-4

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Abstract

Test-particle measurements of plasma cross-field ion transport show a dramatic change associated with the presence of sheared plasma flow parallel to a fixed magnetic field. Experimental conditions for enhanced transport are consistent with a simple model of shear flow instability. Observed modulations in the tagging transfer function suggest a nonlinear model for the ion dynamics, and a spatially varying shift in the ion gyrofrequency. The problem of determining electric fields from test-particle measurements is posed.

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