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Anisotropic potential around charged absorbing small particle in a collisional electronegative plasma with ion drift

Published online by Cambridge University Press:  18 May 2020

Andrey V. Zobnin Open the ORCID record for Andrey V. Zobnin [Opens in a new window]
Andrey V. Zobnin*
Affiliation:
Joint Institute for High Temperatures Russian Academy of Sciences, Izhorskaya 13 b.2, 125412 Moscow, Russia
*
†Email address for correspondence: zobnin@ihed.ras.ru
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Abstract

A distribution of the electric potentials around a charged absorbing particle in a drifting weakly ionised collisional plasma with negative ions is calculated in the linear hydrodynamic approach. Coulomb-like asymptote of the electric potential around the absorbing particle deforms under the action of the negative ions’ flow and exhibits a valley profile along the flow behind the particle. The presence of the flowing negative ions can be conducive to string formation in the dust structures at relatively large pressures.

Keywords

dusty plasmasplasma flowscomplex plasmas
Type
Research Article
Information
Journal of Plasma Physics , Volume 86 , Issue 3 , June 2020 , 905860302
Copyright
© The Author(s), 2020. Published by Cambridge University Press

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