Viscosity estimates of liquid metals and warm dense matter using the Yukawa reference system

被引：55
|
作者：
Murillo, Michael S. [1 ]
机构：
[1] Los Alamos Natl Lab, Div Phys, Los Alamos, NM 87545 USA
来源：
HIGH ENERGY DENSITY PHYSICS | 2008年 / 4卷 / 1-2期
关键词：
Viscosity; Dense plasma; Warm dense matter; Yukawa; Yukawa system; Yukawa model; Reynolds number; Ion-acoustic wave; ICF; Earth's core; Wave damping; Ionization level;
D O I：
10.1016/j.hedp.2007.11.001
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：
A practical method of computing the viscosity of liquid metals and warm dense matter over wide ranges in parameters is proposed. The method is based on mapping the system of interest onto the Yukawa model, for which the viscosity is well known and can be written in a quasiuniversal form. Comparisons are made with quantum molecular dynamics results for compressed iron relevant to the Earth's core, experimental data for many liquid metals, and simulation results for dense deuterium relevant to inertial confinement fusion experiments. Finally, the dispersion and damping of ion-acoustic waves in warm dense matter are considered in this context. (C) 2007 Elsevier B.V. All rights reserved.
引用
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页码：49 / 57
页数：9
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