Spatial Frequency Clustering in Nonlinear Dust-Density Waves

被引：71
作者：
Menzel, K. O. [1 ]
Arp, O. [1 ]
Piel, A. [1 ]
机构：
[1] Univ Kiel, Inst Expt & Angew Phys, Kiel, Germany
来源：
PHYSICAL REVIEW LETTERS | 2010年 / 104卷 / 23期
关键词：
ACOUSTIC-WAVES; SYNCHRONIZATION; OSCILLATORS; PLASMAS;
D O I：
10.1103/PhysRevLett.104.235002
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Self-excited density waves were studied in a strongly coupled dusty plasma of a radio-frequency discharge under microgravity conditions. The spatiotemporal evolution of the complicated three-dimensional wave field was investigated and analyzed for two different situations. The reconstructed instantaneous phase information of the wave field revealed a partial synchronization within multiple distinct domains. The boundaries of these regions coincide with the locations of topological defects.
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页数：4
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