Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Physics of Fluids
28 (1985), S. 2824-2837
ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Dissipative trapped particle modes are studied in tandem mirrors by including electron collisions and ion Landau damping. A variational approach is used to obtain a collisional response in terms of the collisionless result plus a collisional term. The collisional term is then self-consistently solved in all collision frequency regimes. When ν/ω(very-much-less-than)1 (ν≡electron collision frequency) and the dissipationless mode is stable through a positive (negative) charge uncovering mechanism, there are two stable waves with phase velocities in the ion (electron) diamagnetic direction. The higher frequency wave with ω∼ω@B|i(ω*e) is destabilized by ion (electron) dissipation while the lower frequency wave is destabilized by electron (ion) dissipation. At high collision frequency (ν〉ω@B|e), the only unstable trapped particle wave has ω∼ω*e, with electron collisions being destabilizing.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.865202
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