Caging of particles in one-component plasmas -: art. no. 225001

被引:56
作者
Donkó, Z
Kalman, GJ
Golden, KI
机构
[1] Hungarian Acad Sci, Res Inst Solid State Phys & Opt, H-1525 Budapest, Hungary
[2] Boston Coll, Dept Phys, Chestnut Hill, MA 02467 USA
[3] Univ Vermont, Dept Math & Stat, Burlington, VT 05405 USA
[4] Univ Vermont, Dept Phys, Burlington, VT 05405 USA
关键词
D O I
10.1103/PhysRevLett.88.225001
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Strongly coupled Coulomb systems are characterized by localization ("caging") of particles trapped and oscillating in slowly fluctuating local potential wells. This observation constitutes the basic assumption underlying the quasilocalized charge approximation. Using molecular dynamics simulation we study the changes in the particles' surroundings (cages) in a classical three-dimensional one-component plasma. The results of our analysis show that at high coupling values, substantial changes occur only after several plasma oscillation cycles. We also analyze the oscillation frequencies of the caged particles and relate the decorrelation of the cages to the process of self-diffusion.
引用
收藏
页码:225001/1 / 225001/4
页数:4
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