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Theory of dissipative drift instabilities in sheared magnetic fields [electronic resource].

Published:
Princeton, N.J. : Princeton University, 1978.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
Pages: 22 : digital, PDF file
Additional Creators:
Princeton University and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
It is found that in the slab approximation, where usual shear damping is operative, resistivity contributes to an enhancement of this damping and the enhancement factor increases with the electron-ion collision frequency ..nu../sub ei/. Thus no unstable eigenmodes result. If the shear damping is nullified, either by introducing a strong spatial variation of the density gradient, or by working in toroidal geometry with strong toroidal coupling effects, then unstable eigenmodes with growth rates increasing with ..nu../sub ei/ are recovered. A perturbation calculation shows that retention of electron temperature fluctuations associated with the mode and inclusion of temperature gradients does not alter these conclusions. Extensive numerical calculations and relation to published experimental results are also presented.
Report Numbers:
E 1.99:pppl-1423
pppl-1423
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Note:
Published through SciTech Connect.
07/01/1978.
"pppl-1423"
Chen, L.; Kaw, P.K.; White, R.; Oberman, C.; Guzdar, P.N.; Hsu, J.Y.
Funding Information:
EY-76-C-02-3073
View MARC record | catkey: 14751846