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Mobility in a strongly coupled dusty plasma with gas
Journal article   Open access   Peer reviewed

Mobility in a strongly coupled dusty plasma with gas

Bin Liu and J Goree
Physical review. E, Statistical, nonlinear, and soft matter physics, Vol.89(4), pp.043107-043107
04/2014
DOI: 10.1103/PhysRevE.89.043107
PMID: 24827355
url
https://arxiv.org/pdf/1401.7974View
Open Access

Abstract

The mobility of a charged projectile in a strongly coupled dusty plasma is simulated. A net force F, opposed by a combination of collisional scattering and gas friction, causes projectiles to drift at a mobility-limited velocity up. The mobility μp=up/F of the projectile's motion is obtained. Two regimes depending on F are identified. In the high-force regime, μp∝F0.23, and the scattering cross section σs diminishes as up-6/5. Results for σs are compared with those for a weakly coupled plasma and for two-body collisions in a Yukawa potential. The simulation parameters are based on microgravity plasma experiments.

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