Monte Carlo Simulation of Opacities of Hot and Dense Au Plasma
in the Unresolved Transition Array Approximation
CHENG Xin-Lu1 , YANG Li2 , ZHANG Hong3 , YANG Xiang-Dong
1 Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065
2 Department of Physics, Sichuan Normal College, Nanchong 637000
3 Department of Applied Physics, Sichuan University, Chengdu 610065
Monte Carlo Simulation of Opacities of Hot and Dense Au Plasma
in the Unresolved Transition Array Approximation
CHENG Xin-Lu1 ;YANG Li2 ;ZHANG Hong3 ;YANG Xiang-Dong
1 Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065
2 Department of Physics, Sichuan Normal College, Nanchong 637000
3 Department of Applied Physics, Sichuan University, Chengdu 610065
关键词 ：
31.15.Bs ,
32.70.-n ,
52.25.Nr
Abstract ： The opacity, and its Planck and Rosseland mean values, of the hot and dense Au plasma in local thermodynamics equilibrium are studied by the Monte Carlo method based on unresolved transition array (UTA) approximation. The average ion model and the Saha equation is used to determine the atomic level populations. The result gives a more detailed structure for frequency-dependent opacity than the popularly used super transition array or UTA in the photon energy range of 500 eV to 2000 eV. The Monte Carlo method can give a result better than that of UTA, with almost the same computation effort.
Key words ：
31.15.Bs
32.70.-n
52.25.Nr
出版日期: 2002-07-01
引用本文:
CHENG Xin-Lu;YANG Li;ZHANG Hong;YANG Xiang-Dong. Monte Carlo Simulation of Opacities of Hot and Dense Au Plasma
in the Unresolved Transition Array Approximation[J]. 中国物理快报, 2002, 19(7): 931-933.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2002/V19/I7/931
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