Equation of State for Shock Compressed Xenon in the Ionization Regime:ab Initio Study

被引：0
|
作者：
王聪 [1 ]
顾云军 [2 ]
陈其峰 [2 ]
贺贤土 [1 ,3 ]
张平 [1 ,3 ]
机构：
[1] LCP,Institute of Applied Physics and Computational Mathematics
[2] Laboratory for Shock Wave and Detonation Physics Research,Institute of Fluid Physics
[3] Center for Applied Physics and Technology,Peking University
来源：
Communications in Theoretical Physics | 2012年 / 58卷 / 07期
关键词：
equation of states; quantum molecular dynamics; xenon;
D O I：
暂无
中图分类号：
O562.4 [原子间的作用、激发与电离];
学科分类号：
070203 ; 1406 ;
摘要：
Quantum molecular dynamic (QMD) simulations have been applied to study the thermophysical properties of liquid xenon under dynamic compressions. The equation of state (EOS) obtained from QMD calculations are corrected according to Saha equation, and contributions from atomic ionization, which are of predominance in determining the EOS at high temperature and pressure, are considered. For the pressures below 160 GPa, the necessity in accounting for the atomic ionization has been demonstrated by the Hugoniot curve, which shows excellent agreement with previous experimental measurements, and three levels of ionization have been proved to be sufficient at this stage.
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收藏
页码：160 / 164
页数：5
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