Anisotropy Effects on Curvature-driven Flute Instabilities in a Hot-electron Plasma PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The effects of finite parallel temperature are investigated for a hot electron plasma with sufficiently large beta that the magnetic field scale length (.delta./sub B/) is small compared with the vacuum field radius of curvature (R). Numerical and analytical estimates of stability boundaries are obtained for the four possible modes that can be treated in this limit: the conventional hot electron interchange, the high frequency hot electron interchange (.omega.> .omega./sub ci/), the compressional Alfven mode, and the interacting pressure-driven interchange.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The effects of finite parallel temperature are investigated for a hot electron plasma with sufficiently large beta that the magnetic field scale length (.delta./sub B/) is small compared with the vacuum field radius of curvature (R). Numerical and analytical estimates of stability boundaries are obtained for the four possible modes that can be treated in this limit: the conventional hot electron interchange, the high frequency hot electron interchange (.omega.> .omega./sub ci/), the compressional Alfven mode, and the interacting pressure-driven interchange.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Several topics in the kinetic stability theory of flute-interchange modes in a hot electron plasma are discussed. The stability analysis of the hot-electron, curvature-driven flute-interchange mode, previously performed in a slab geometry, is extended to a cylindrical plasma. The cold electron concentration necessary for stability differs substantially from previous criteria. The inclusion of a finite temperature background plasma in the stability analysis results in an ion curvature-driven flute-interchange mode which may be stabilized by either hot-electron diamagnetic effects, hot-electron plasma density, or finite (ion) Larmor radius effects.
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Author: D. A. Spong
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