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

被引：37

作者：

Carstensen, Jan ^{[1
]}

Greiner, Franko ^{[1
]}

Piel, Alexander ^{[1
]}

机构：

[1] Univ Kiel, IEAP, D-24098 Kiel, Germany

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 109卷 / 13期

关键词：

FORCES;

D O I：

10.1103/PhysRevLett.109.135001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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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页数：4

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