Theory of Mach cones in magnetized dusty plasmas with strongly correlated charged dust grains

被引：44
|
作者：
Mamun, AA [1 ]
Shukla, PK
Morfill, GE
机构：
[1] Ruhr Univ Bochum, Inst Theoret Phys 4, D-44780 Bochum, Germany
[2] Max Planck Inst Extraterr Phys, D-85740 Garching, Germany
[3] Jahangirnagar Univ, Dept Phys, Dhaka, Bangladesh
来源：
PHYSICAL REVIEW LETTERS | 2004年 / 92卷 / 09期
关键词：
D O I：
10.1103/PhysRevLett.92.095005
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A theory for the formation of Mach cones in a magnetized dusty plasma with strongly correlated charged dust grains has been presented. We use the electron and ion susceptibilities for weakly correlated magnetized electrons and ions as well as the strongly correlated unmagnetized dust grain susceptibilities which are obtained by means of the quasilocalized charge approximation and a generalized hydrodynamic model. The plasma dielectric response of the present system reveals the parametric regimes for which Mach cones in a strongly coupled laboratory dusty magnetoplasma can be formed. We suggest conducting experiments in radiofrequency dusty plasma discharges with superconducting magnets for verifying the theoretical prediction of Mach cones that is made herein.
引用
收藏
页码：095005 / 1
页数：3
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