Stabilization of the Negative Mass Instability in a Rotating Relativistic Electron Beam
- 16 April 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 52 (16), 1425-1428
- https://doi.org/10.1103/PhysRevLett.52.1425
Abstract
It is shown that the negative mass instability in a rotating relativistic electron layer may be stabilized by a radial dc electric field of a suitable magnitude. The stabilization mechanism is independent of the beam velocity spread, and is insensitive to the beam current, the container geometry, or the azimuthal mode number. A simple stability criterion is given.Keywords
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