Convective dust clouds in a complex plasma
Plasma Physics
2008-08-14 v1
Abstract
The plasma is generated in a low frequency glow discharge within an elongated glass tube oriented vertically. The dust particles added to the plasma are confined above the heater and form counter-rotating clouds close to the tube centre. The shape of the clouds and the velocity field of the conveying dust particles are determined. The forces acting on the particles are calculated. It is shown that convection of the dust is affected by the convective gas motion which is triggered, in turn, by thermal creep of the gas along the inhomogeneously heated walls of the tube.
Keywords
Cite
@article{arxiv.0808.1830,
title = {Convective dust clouds in a complex plasma},
author = {S. Mitic and R. Suetterlin and A. V. Ivlev and H. Hoefner and M. H. Thoma and S. Zhdanov and G. E. Morfill},
journal= {arXiv preprint arXiv:0808.1830},
year = {2008}
}
Comments
4 pages, 6 figures, submitted to Phys. Rev. Lett