Projects per year
Abstract
The electrostatic potential around a slowly moving test charge is studied in a dusty plasma where the ions and electrons follow a powerlaw Kappa distribution in velocity space. A test charge moving with a speed much smaller than the dust thermal speed gives rise to a short-scale Debye-Hueckel potential as well as a long-range far-field potential decreasing as inverse cube of the distance to the test charge along the propagation direction. The potentials are significantly modified in the presence of high-energy tails, modeled by lower spectral indices in the ion and electron Kappa distribution functions. Plasma parameters relevant to laboratory dusty plasmas are discussed.
Original language | English |
---|---|
Article number | 084003 |
Number of pages | 6 |
Journal | Physica Scripta |
Volume | 92 |
Issue number | 8 |
DOIs | |
Publication status | Published - 17 Jul 2017 |
Keywords
- test charge
- dusty plasma
Fingerprint
Dive into the research topics of 'Slow test charge response in a dusty plasma with Kappa distributed electrons and ions'. Together they form a unique fingerprint.Projects
- 1 Finished
-
Multi-Scale Numerical Modelling of Magnetised Plasma Turbulence
Eliasson, B., Phelps, A. & Ronald, K.
EPSRC (Engineering and Physical Sciences Research Council)
26/01/15 → 25/07/18
Project: Research