Molecular dynamics simulations of strongly coupled plasmas:: Localization and microscopic dynamics

被引：25
|
作者：
Donkó, Z
Hartmann, P
Kalman, GJ
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
来源：
PHYSICS OF PLASMAS | 2003年 / 10卷 / 05期
关键词：
D O I：
10.1063/1.1560612
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The spatial-temporal localization of particles in the local minima of the potential surface is a prominent feature of strongly coupled plasmas. The duration of localization is investigated by molecular dynamics simulation, through monitoring of the decorrelation of the surroundings of individual particles. Three- and two-dimensional systems of particles interacting through Coulomb and Yukawa potentials are studied over a wide range of the plasma coupling (Gamma) and screening (kappa) parameters in the liquid phase. The oscillation spectrum of the caged particles in the equilibrium system as well as in the frozen environment of other particles (Einstein frequency spectrum) is determined. (C) 2003 American Institute of Physics.
引用
收藏
页码：1563 / 1568
页数：6
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