Self-diffusion in a liquid complex plasma

被引：80

作者：

Nunomura, S ^{[1
]}

Samsonov, D ^{[1
]}

Zhdanov, S ^{[1
]}

Morfill, G ^{[1
]}

机构：

[1] Max Planck Inst Extraterr Phys, D-85740 Garching, Germany

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.96.015003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Self-diffusion has been experimentally studied in a two-dimensional underdamped liquid complex (dusty) plasma. It was found that the self-diffusion coefficient D increases linearly with the temperature T: D/omega(E)a(2)=(0.019 +/- 0.007)(T/T-m-1), where T-m, omega(E), and a are the melting temperature, the Einstein frequency, and the mean particle separation, respectively. No superdiffusion was observed, whereas a subdiffusion occurred at temperatures close to melting.

引用

页数：4

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