Structural properties of complex plasmas in a homogeneous dc discharge

被引：41

作者：

Mitic, S. ^{[1
]}

Klumov, B. A. ^{[1
]}

Konopka, U. ^{[1
]}

Thoma, M. H. ^{[1
]}

Morfill, G. E. ^{[1
]}

机构：

[1] Max Planck Inst Extraterr Phys, D-85741 Garching, Germany

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.101.125002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on the first three-dimensional (3D) complex plasma structure analysis for an experiment that was performed in an elongated discharge tube in the absence of striations. The low frequency discharge was established with 1 kHz alternating dc current through a cylindrical glass tube filled with neon at 30 Pa. The injected particle cloud consisted of monodisperse microparticles. A scanning laser sheet and a camera were used to determine the particle position in 3D. The observed cylindrical-shaped particle cloud showed an ordered structure with a distinct outer particle shell. The observations are in agreement with performed molecular dynamics simulations.

引用

页数：4

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