Propagation and Absorption of Low-frequency Waves in a Magnetized Plasma Containing High-Z Impurities or Dust
Autor: | N. F. Cramer, Sergey V. Vladimirov |
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Rok vydání: | 2000 |
Předmět: | |
Zdroj: | Contributions to Plasma Physics. 40:514-518 |
ISSN: | 1521-3986 0863-1042 |
DOI: | 10.1002/1521-3986(200006)40:3/4<514::aid-ctpp514>3.0.co;2-1 |
Popis: | The modification of the resonance absorption of Alfven waves due to the presence of charged dust grains in an edge plasma is considered. It is shown that a dissipative short–wavelength mode exists close to the resonant frequency because of the additional damping due to dust charging and electron–dust Coulomb collisions. Resonance absorption of a wave launched into a density gradient where resonance is encountered will occur via mode conversion into the dissipative mode with subsequent strong dissipation. |
Databáze: | OpenAIRE |
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