Compressional diocotron instability in a non-neutral plasma with a stationary point in the rotation frequency profile
Journal Article
·
· AIP Conference Proceedings
- I.N.F.N. Sez. di Milano, Universita degli Studi di Milano, Milan (Italy)
- Budker Institute of Nuclear Physics, Novosibirsk (Russian Federation)
An analytical solution to the problem of the l = 1 diocotron mode instability in a hollow density non-neutral plasma column with finite length is presented. The starting point of the analysis is the paper of Finn et al. [J. M. Finn, D. del-Castillo-Negrete, D. C. Barnes, Phys. Plasmas 6, 3744 (1999)], where the instability mechanism involves compression of the plasma in the direction parallel to the magnetic field, with conservation of its line-integrated density. In the limit of small curvature of the plasma end-fronts, the method presented here provides both eigenvalue and eigenfunction for the unstable l = 1 'extreme mode'.
- OSTI ID:
- 20891676
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 862; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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