Journal
PLASMA PHYSICS REPORTS
Volume 43, Issue 3, Pages 354-362Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1063780X17030163
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Funding
- Russian Foundation for Basic Research [16-08-00594, 15-32-21159]
- Program of the Presidium of the Russian Academy of Sciences
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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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