期刊
PLASMA PHYSICS REPORTS
卷 43, 期 3, 页码 354-362出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1063780X17030163
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资金
- Russian Foundation for Basic Research [16-08-00594, 15-32-21159]
- Program of the Presidium of the Russian Academy of Sciences
An analytical model of anomalous heating of charged dust grains (macroparticles) caused by their stochastic motion in a bounded plasma volume is proposed. Analytical expressions allowing one to describe the pumping (heating) of interacting grains with additional stochastic energy due to grain charge gradients are derived. The analytical results are verified by numerical simulation of the problem. It is shown that spatial variations in the charges of dust grains can lead to their anomalous heating in laboratory plasma.
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