Drift waves in a medium plasma with velocity gradients
- 1 March 1980
- journal article
- Published by IOP Publishing in Plasma Physics
- Vol. 22 (3) , 277-288
- https://doi.org/10.1088/0032-1028/22/3/005
Abstract
The general dispersion relation for drift waves in a medium beta ( beta approximately (me/mi)12/) plasma is derived when gradients of guiding centre drift across the magnetic field are present. It is shown that for high frequency waves ( omega >>k/sub /// nu ti) cross field shear in the relative velocity of ions and electrons can generate strong electrostatic and electromagnetic instabilities. Turbulence-induced anomalous viscosity is briefly discussed.Keywords
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