Dynamical properties and plasmon dispersion of a weakly degenerate correlated one-component plasma

被引：27
|
作者：
Golubnychiy, V
Bonitz, M
Kremp, D
Schlanges, M
机构：
[1] Univ Rostock, Fachbereich Phys, D-18051 Rostock, Germany
[2] Ernst Moritz Arndt Univ Greifswald, Inst Phys, D-17489 Greifswald, Germany
来源：
PHYSICAL REVIEW E | 2001年 / 64卷 / 01期
关键词：
D O I：
10.1103/PhysRevE.64.016409
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：
Classical Molecular Dynamics simulations for a one-component plasma are presented. Quantum effects are included in the form of the Kelbg potential. Results for the dynamical structure factor are compared with the Vlasov and random phase approximation theories. The influence of the coupling parameter Gamma, degeneracy parameter rho Lambda (3), and the form of the pair interaction on the optical plasmon dispersion is investigated. An improved analytical approximation for the dispersion of Langmuir waves is presented.
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页码：8 / 016409
页数：8
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