Filamentation instability in magneto plasmas

S. P. Kuo; G. Schmidt

doi:10.1063/1.864442

Filamentation instability in magneto plasmas

S. P. Kuo, G. Schmidt

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

It is shown that the filamentation of ordinary-mode pumps propagating at an arbitrary angle with respect to the magnetic field has to be magnetic field-aligned, but not for extraordinary-mode pumps. A general dispersion relation is derived including the effects of magnetic field and collisions, and the nonlinear effects of ponderomotive force, thermal focusing force, and the beating currents. Threshold field and growth rates are obtained and compared to the results of the unmagnetized and collisionless case. Applications of these results to ionospheric modifications are discussed.

Original language	English (US)
Pages (from-to)	2529-2536
Number of pages	8
Journal	Physics of Fluids
Volume	26
Issue number	9
DOIs	https://doi.org/10.1063/1.864442
State	Published - 1983

ASJC Scopus subject areas

Computational Mechanics
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Fluid Flow and Transfer Processes

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10.1063/1.864442

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title = "Filamentation instability in magneto plasmas",

abstract = "It is shown that the filamentation of ordinary-mode pumps propagating at an arbitrary angle with respect to the magnetic field has to be magnetic field-aligned, but not for extraordinary-mode pumps. A general dispersion relation is derived including the effects of magnetic field and collisions, and the nonlinear effects of ponderomotive force, thermal focusing force, and the beating currents. Threshold field and growth rates are obtained and compared to the results of the unmagnetized and collisionless case. Applications of these results to ionospheric modifications are discussed.",

author = "Kuo, {S. P.} and G. Schmidt",

year = "1983",

doi = "10.1063/1.864442",

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AU - Kuo, S. P.

AU - Schmidt, G.

PY - 1983

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AB - It is shown that the filamentation of ordinary-mode pumps propagating at an arbitrary angle with respect to the magnetic field has to be magnetic field-aligned, but not for extraordinary-mode pumps. A general dispersion relation is derived including the effects of magnetic field and collisions, and the nonlinear effects of ponderomotive force, thermal focusing force, and the beating currents. Threshold field and growth rates are obtained and compared to the results of the unmagnetized and collisionless case. Applications of these results to ionospheric modifications are discussed.

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Filamentation instability in magneto plasmas

Abstract

ASJC Scopus subject areas

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