Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Physics of Fluids
28 (1985), S. 1727-1734
ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The electrostatic zero-frequency ion ring instability with wave vector perpendicular to a uniform magnetic field B is examined through linear and second-order theory as well as by computer simulation. In the simulation ions are taken as magnetized particles; the electrons are described as a massless fluid subject to E×B motion. Saturation of the instability is primarily due to broadening of the ion ring distribution. A second-order theory provides an approximate criterion for the saturation amplitude, as does a simple trapping argument. Thus, for the simulation presented here, both quasilinear and trapping effects contribute to saturation.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.864966
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