Nonlinear properties of electron acoustic wave turbulence in the geomagnetic tail (Q1116863)
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scientific article; zbMATH DE number 4089247
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Nonlinear properties of electron acoustic wave turbulence in the geomagnetic tail |
scientific article; zbMATH DE number 4089247 |
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Nonlinear properties of electron acoustic wave turbulence in the geomagnetic tail (English)
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1988
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The nonlinear properties of electron acoustic waves in a magnetized plasma consisting of hot electrons, hot ions, and cold electrons are investigated. Using a fluid-guiding center model for the cold electrons and Boltzmann distributions for the hot species, a set of nonlinear mode- coupling equations is derived. Monopole and dipole-vortex solutions are shown to exist for the system of nonlinear equations. Spectrum cascade by mode-coupling in the electron acoustic wave turbulence is investigated. Relevance of our investigation to broadband electrostatic noise in the geomagnetic tail is discussed.
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nonlinear properties of electron acoustic waves
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magnetized plasma
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hot electrons
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fluid-guiding center model
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Boltzmann distributions
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dipole- vortex solutions
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broadband electrostatic noise
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