Influence of strong self electric fields on the ion resonance instability in a nonneutral plasma column
Technical Report
·
OSTI ID:5785539
The influence of strong self-electric fields on the ion resonance instability is examined for a cylindrical nonneutral plasma column immersed in a uniform axial magnetic field (B sub 0) (e sub z). The analysis is carried out within the framework of a macroscopic cold-fluid model, and electrostatic stability properties are investigated for the case of rectangular electron and ion density profiles. An important conclusion of this study is that the equilibrium self-electric field can have a large influence on stability behavior. Moreover, for a nonneutral plasma column with significant charge neutralization, it is found that the fundamental mode (l=1) is not the most unstable mode. Rather, higher harmonic perturbations have larger growth rates.
- Research Organization:
- Maryland Univ., College Park (USA). Dept. of Physics and Astronomy
- OSTI ID:
- 5785539
- Report Number(s):
- AD-A-070479
- Country of Publication:
- United States
- Language:
- English
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