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Kelvin-Helmholtz instability in a plasma with negative ions

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2 Author(s)
D'Angelo, N. ; Dept. of Phys. & Astron., Iowa Univ., Iowa City, IA, USA ; Song, B.

A dispersion relation for low-frequency electrostatic modes in a plasma with negative ions is derived for the case in which a velocity shear Kelvin-Helmholtz instability exists in the positive ion flow along the magnetic field. It is found that the negative ions have, generally, a destabilizing effect, as seen previously for ion-acoustic and electrostatic ion-cyclotron waves. The influence of the negative-ion-to-positive-ion mass mass ratio on the stability is also examined

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Plasma Science, IEEE Transactions on  (Volume:19 ,  Issue: 1 )