Stability of Positive Column in a Strong Magnetic Field
Journal Article
·
· Journal of the Physical Society of Japan
The instability of positive column is investigated theoretically, under the assumption that the densities of electrons and ions are perturbed independently. The electric field induced by these perturbations is derived exactly by solving Poisson's equation. For helical perturbations, the existence of a finite potential at the wall is found. A relation between the critical magnetic field above which the perturbation is unstable and the corresponding electric field is obtained. It depends upon the discharge current; and this dependence is in good agreement with Hoh and Lehnert's experiments.
- Research Organization:
- Tokyo Inst. of Tech.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-17-024585
- OSTI ID:
- 4682345
- Journal Information:
- Journal of the Physical Society of Japan, Journal Name: Journal of the Physical Society of Japan Journal Issue: 4 Vol. 18; ISSN 0031-9015
- Publisher:
- Physical Society of Japan
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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