CONCERNING STABILITY OF IONIC LONGITUDINAL OSCILLATIONS OF PLASMA IN MAGNETIC FIELD,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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States of rarefied plasma are frequently unstable with respect to excitation of the various kinds of oscillations. Because of a nonlinear interaction of waves in such cases, the appearance of turbulent conditions is possible. In order to describe, at least qualitatively, the evolution of any spectrum of oscillations, it is necessary to know mechanisms of nonlinear interaction of waves, causing excitation and attenuation of oscillations. This work investigated the stability of nonlinear steady-state ionic longitudinal oscillations of plasma in magnetic field. It was shown that at definite values of plasma parameters, ionic longitudinal oscillations are unstable with respect to excitation of two transverse waves.