Ion-Wake-Mediated Particle Interaction in a Magnetized-Plasma Flow

Jan Carstensen, Franko Greiner, and Alexander Piel
Phys. Rev. Lett. 109, 135001 – Published 27 September 2012

Abstract

The interaction forces between dust grains in a flowing plasma are strongly modified by the formation of ion wakes. Here, we study the interparticle forces mediated by ion wakes in the presence of a strong magnetic field parallel to the ion flow. For increasing magnetic flux densities a continuous decay of the interaction force is observed. This transition occurs at parameters, where the ion cyclotron frequency starts to exceed the ion plasma frequency, which is in agreement with theoretical predictions. The modification of the interparticle forces is important for the understanding of the structure and dynamics of magnetized dusty plasmas.

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  • Received 11 July 2012

DOI:https://doi.org/10.1103/PhysRevLett.109.135001

© 2012 American Physical Society

Authors & Affiliations

Jan Carstensen, Franko Greiner, and Alexander Piel

  • IEAP, Christian-Albrechts-Universität, D-24098 Kiel, Germany

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Issue

Vol. 109, Iss. 13 — 28 September 2012

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