Stochastic heating of dust particles resulting from dust charge fluctuations is considered in the conditions of the scrape‐off‐layer (SOL) in tokamak plasmas. It is shown that kinetic energies corresponding to velocities of ≃Km/s can be reached in times of order ≃1 ms by micron‐size dust particles interacting with a background of stochastically heated nano‐size dust particles.

Topics
Plasma confinement, Tokamaks, Charge fluctuations, Stochastic processes
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© 2008 American Institute of Physics.
2008
American Institute of Physics
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