NON-LINEAR STABILITY OF PLASMA OSCILLATION
A plasma is studied that obeys the eollisionless Boltzmann (or Vlasov) equation. Properties of oscillations in this plasma are found by linearizing the Vlasov equation about the unperturbed distribution function. If the solution to this equation yields an exponentially unstable plasma, the oscillations generally grow so large that the linearization of the Vlasov equation becomes invalid. In this non-linear regime, it is found that the full solution consists of two nonlinear parts. One of these, combined with the linear solution, leads to an equilibrium spectrum for the instabilities. The second part provides coupling between the various oscillation modes, thus eventually damping the equilibrium spectrum to zero. (T.F.H.)
- Research Organization:
- General Atomic Div., General Dynamics Corp., San Diego, Calif.
- NSA Number:
- NSA-15-028641
- OSTI ID:
- 4843309
- Report Number(s):
- GA-2386
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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