On equilibrium states and dust charging in dusty plasmas

Ostrikov, K., Yu, M. Y., & Stenflo, L. (2001) On equilibrium states and dust charging in dusty plasmas. IEEE Transactions on Plasma Science, 29(2), pp. 175-178.

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The dust-charge variation process is revisited, accounting for the background density variation associated with electron capture and release by the dust grains. It appears possible to maintain overall charge neutrality in the plasma without any external particle source or sink. It is shown that if the dust charge and density are sufficiently high, the effect of the background electron density variation on dust-charge relaxation is important. The equilibrium dust charge and its rate of variation are obtained for dusty plasmas subject to strong UV irradiation. The latter releases photoelectrons from the dust surface and can significantly affect the equilibrium dust charge, its variation rate, as well as the overall charge neutrality in the plasma.

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16 citations in Web of Science®

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ID Code: 73829
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: Dust charging, Instability, UV radiation
DOI: 10.1109/27.923688
ISSN: 0093-3813
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 13 Jul 2014 23:55
Last Modified: 13 Jul 2014 23:55

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