Polarization force on a charged particulate in a nonuniform plasma
- 1 May 1994
- journal article
- Published by American Physical Society (APS) in Physical Review E
- Vol. 49 (5) , 4430-4441
- https://doi.org/10.1103/physreve.49.4430
Abstract
The force on a charged particulate or ‘‘dust grain’’ in a plasma is derived in the presence of a density gradient and an externally applied electric field. The Debye sheath around the particulate is usually deformed (i.e., polarized) under such conditions, and exerts a force on the particulate. This sheath-polarization force is always in the direction of decreasing Debye length, regardless of the sign of the particulate charge. The magnitude of the polarization force is estimated under typical glow discharge conditions. DOI: http://dx.doi.org/10.1103/PhysRevE.49.4430 © 1994 The American Physical SocietyKeywords
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