The bispectrum and three-wave coupling between fast magnetosonic waves and interchange modes

T. Intrator; S. Meassick; J. Browning; R. Majeski; N. Hershkowitz

doi:10.1063/1.859192

The bispectrum and three-wave coupling between fast magnetosonic waves and interchange modes

T. Intrator, S. Meassick, J. Browning, R. Majeski, N. Hershkowitz

Electrical Engineering Department

University of Wisconsin

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

5 Scopus citations

Abstract

The bispectrum is used to demonstrate that wave-wave coupling occurs when ponderomotive forces due to wave fields in the ion cyclotron range of frequencies are used to stabilize a magnetized plasma column against magnetohydrodynamic (MHD) interchange instabilities. The three waves that interact resonantly are an applied wave, a MHD wave, and the nonlinearly coupled sideband wave. The net ponderomotive forces contain partially canceling and augmenting contributions from each induced sideband field.

Original language	English
Pages (from-to)	271-273
Number of pages	3
Journal	Physics of Fluids B
Volume	1
Issue number	2
DOIs	https://doi.org/10.1063/1.859192
State	Published - 1989

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abstract = "The bispectrum is used to demonstrate that wave-wave coupling occurs when ponderomotive forces due to wave fields in the ion cyclotron range of frequencies are used to stabilize a magnetized plasma column against magnetohydrodynamic (MHD) interchange instabilities. The three waves that interact resonantly are an applied wave, a MHD wave, and the nonlinearly coupled sideband wave. The net ponderomotive forces contain partially canceling and augmenting contributions from each induced sideband field.",

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T1 - The bispectrum and three-wave coupling between fast magnetosonic waves and interchange modes

AU - Intrator, T.

AU - Meassick, S.

AU - Browning, J.

AU - Majeski, R.

AU - Hershkowitz, N.

PY - 1989

Y1 - 1989

N2 - The bispectrum is used to demonstrate that wave-wave coupling occurs when ponderomotive forces due to wave fields in the ion cyclotron range of frequencies are used to stabilize a magnetized plasma column against magnetohydrodynamic (MHD) interchange instabilities. The three waves that interact resonantly are an applied wave, a MHD wave, and the nonlinearly coupled sideband wave. The net ponderomotive forces contain partially canceling and augmenting contributions from each induced sideband field.

AB - The bispectrum is used to demonstrate that wave-wave coupling occurs when ponderomotive forces due to wave fields in the ion cyclotron range of frequencies are used to stabilize a magnetized plasma column against magnetohydrodynamic (MHD) interchange instabilities. The three waves that interact resonantly are an applied wave, a MHD wave, and the nonlinearly coupled sideband wave. The net ponderomotive forces contain partially canceling and augmenting contributions from each induced sideband field.

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U2 - 10.1063/1.859192

DO - 10.1063/1.859192

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SP - 271

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JO - Physics of Fluids B

JF - Physics of Fluids B

IS - 2

ER -

The bispectrum and three-wave coupling between fast magnetosonic waves and interchange modes

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