Evolution of Shear-Induced Melting in a Dusty Plasma

被引：64
|
作者：
Feng, Yan [1 ]
Goree, J. [1 ]
Liu, Bin [1 ]
机构：
[1] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
来源：
PHYSICAL REVIEW LETTERS | 2010年 / 104卷 / 16期
关键词：
CRYSTAL;
D O I：
10.1103/PhysRevLett.104.165003
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The spatiotemporal development of melting is studied experimentally in a 2D dusty plasma suspension. Starting with an ordered lattice, and then suddenly applying localized shear, a pair of counterpropagating flow regions develop. A transition between two melting stages is observed before a steady state is reached. Melting spreads with a front that propagates at the transverse sound speed. Unexpectedly, coherent longitudinal waves are excited in the flow region.
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页数：4
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