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arXiv physics/0012027physics.plasm-ph
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弱简并关联单组分等离子体的动力学性质和等离子体振子色散

Dynamical Properties and Plasmon Dispersion of a Weakly Degenerate Correlated One-Component Plasma

V. Golubnychiy, M. Bonitz, D. Kremp, M. Schlanges

摘要:

采用经典分子动力学方法模拟了单组分等离子体。量子效应以Kelbg势的形式存在。动力学结构因子的结果进行了比较与Vlasov和RPA(随机相位近似)理论。研究了耦合参数$Γ$、简并参数$ρΛ^3$和对相互作用形式对光学等离子体色散的影响。本文提出了一种改进的朗缪尔波色散的解析近似。

英文摘要:

Classical Molecular Dynamics (MD) simulations for a one-component plasma (OCP) 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 RPA (random phase approximation) theories. The influence of the coupling parameter $Γ$, degeneracy parameter $ρΛ^3$ 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.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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