Charged dust grain acceleration in tokamak edges |
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| Authors: | PK Shukla NL Tsintsadze |
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| Institution: | a Institut für Theoretische Physik IV and Centre for Plasma Science and Astrophysics, Fakultät für Physik und Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
b Institute of Physics, Georgian Academy of Sciences, Tbilisi 0177, Georgia |
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| Abstract: | It is shown that the force associated with the normal component of the space charge electric field at the plasma surface, arising from the charge separation, can accelerate a charged dust particle that is sitting in the scrape-off layer (SOL) close to the chamber walls in tokamaks. The acceleration of dust particle is found to be proportional to the strength of the space charge electric field and inversely proportional to the square root of the dust mass density. |
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| Keywords: | 52 40 Hf 52 27 Lw 52 70 -m |
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