Ballooning instabilities in hot electron plasmas
作者:
T. M. Antonsen,
Y. C. Lee,
H. L. Berk,
M. N. Rosenbluth,
J. W. Van Dam,
期刊:
Physics of Fluids(00319171)
(AIP Available online 1983)
卷期:
Volume 26,
issue 12
页码: 3580-3594
ISSN:0031-9171
年代: 1983
DOI:10.1063/1.864118
出版商: AIP
数据来源: AIP
摘要:
The stability of short‐wavelength, low‐frequency modes in a hot electron plasma is investigated. Particular attention is devoted to the effect of the dependence of perturbed quantities along the equilibrium magnetic field lines. Two types of modes in a bumpy torus are considered: modes which are nearly flutes in each mirror cell but vary in phase from cell to cell, and modes which have significant variation in each cell. Generally speaking, allowing perturbations to vary along the field lines is destabilizing. However, sufficiently large hot electron gyroradii can stabilize all short perpendicular wavelength modes.
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