Excitation of lower-hybrid instability by longitudinal currents
Journal Article
·
· Phys. Fluids; (United States)
The stability of a homogeneous plasma with currents along the magnetic field is investigated. It is found that electrons streaming along the magnetic field lines in a neutralizing positive ion background could excite lower-hybrid instability. The critical drift velocity should exceed the parallel phase velocity for instability: V/sub d/ > ..omega../sub r//k/sub parallel/, where ..omega../sub r/ is the lower-hybrid frequency (..cap omega../sub e/..cap omega../sub i/)/sup 1/2/. This condition is found to be easily met in the laboratory and space plasmas and is applicable both in the collisionless and collisional palsmas.
- Research Organization:
- Science Applications International Corporation, 1710 Goodridge Drive, P. O. Box 1303, McLean,Virginia 22102
- OSTI ID:
- 6414839
- Journal Information:
- Phys. Fluids; (United States), Journal Name: Phys. Fluids; (United States) Vol. 29:1; ISSN PFLDA
- Country of Publication:
- United States
- Language:
- English
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