Dynamic Light Scattering on Complex Plasmas

被引：0

作者：

Aschinger, Andreas ^{[1
]}

Winter, Joerg ^{[1
]}

机构：

[1] Ruhr Univ Bochum, D-44780 Bochum, Germany

来源：

DUSTY/COMPLEX PLASMAS: BASIC AND INTERDISCIPLINARY RESEARCH: SIXTH INTERNATIONAL CONFERENCE ON THE PHYSICS OF DUSTY PLASMAS | 2011年 / 1397卷

关键词：

Dusty Plasma; Complex Plasma; Dynamic Light Scattering; Photon Correlation Spectroscopy; Phase Transition; Hysteresis Loop; Diffusion Constant;

D O I：

10.1063/1.3659754

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The applicability of Dynamic Light Scattering (DLS) on strongly coupled complex plasmas (plasma crystals) in a RF discharge is discussed. A ballistic particle movement is observed and the particle velocity can be measured in all phase states. The results are in very good agreement with video based measurements. Phase transitions were studied in detail. A theoretically predicted hysteresis loop in the phase transitions were observed experimentally for the first time. The diffusive particle movement was studied by small angle light scattering. These measurements are also validated by video observations.

引用

页数：4

共 4 条

[1]

Berne B.J., 1976, DYNAMIC LIGHT SCATTE

[2] VELOCITY PERSISTENCE OF BROWNIAN PARTICLES GENERATED IN A GLOW-DISCHARGE [J].