A new approach to include electron interaction effects in super transition array opacity theory

IF 0.9 3区 物理与天体物理 Q3 PHYSICS, FLUIDS & PLASMAS High Energy Density Physics Pub Date : 2025-03-01 Epub Date: 2025-02-01 DOI:10.1016/j.hedp.2025.101175
Daniel Aberg , Brian G. Wilson , Jean-Christophe Pain
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引用次数: 0

Abstract

A method is presented for the improved calculation of super-shell partition functions which include the repulsive electron–electron interaction energy terms in the Boltzmann factor. Heretofore these interaction terms were approximately treated via the use of Feynman–Jensen inequalities. Such investigations are of particular interest for the super-transition-array approach of hot-plasma radiative opacity.
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在超跃迁阵列不透明度理论中引入电子相互作用效应的新方法
提出了一种包含玻尔兹曼因子中排斥电子-电子相互作用能项的超壳配分函数的改进计算方法。在此之前,这些相互作用项是通过使用费曼-延森不等式来近似处理的。这种研究对于热等离子体辐射不透明度的超跃迁阵列方法特别感兴趣。
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来源期刊
High Energy Density Physics
High Energy Density Physics PHYSICS, FLUIDS & PLASMAS-
CiteScore
4.20
自引率
6.20%
发文量
13
审稿时长
6-12 weeks
期刊介绍: High Energy Density Physics is an international journal covering original experimental and related theoretical work studying the physics of matter and radiation under extreme conditions. ''High energy density'' is understood to be an energy density exceeding about 1011 J/m3. The editors and the publisher are committed to provide this fast-growing community with a dedicated high quality channel to distribute their original findings. Papers suitable for publication in this journal cover topics in both the warm and hot dense matter regimes, such as laboratory studies relevant to non-LTE kinetics at extreme conditions, planetary interiors, astrophysical phenomena, inertial fusion and includes studies of, for example, material properties and both stable and unstable hydrodynamics. Developments in associated theoretical areas, for example the modelling of strongly coupled, partially degenerate and relativistic plasmas, are also covered.
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