Finite-temperature random-phase approximation for spectroscopic properties of neon plasmas

被引：1

作者：

Colgan, J. ^{[1
]}

Fontes, C. J.

Csanak, G.

Collins, L. A.

机构：

[1] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

[2] Los Alamos Natl Lab, Div Appl Phys, Los Alamos, NM 87545 USA

[3] Univ Nevada, Dept Phys, Reno, NV 89557 USA

来源：

PHYSICAL REVIEW A | 2007年 / 75卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.75.024701

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A finite-temperature random-phase approximation (FTRPA) is applied to calculate oscillator strengths for excitations in hot and dense plasmas. Application of the FTRPA provides a convenient, self-consistent method with which to explore coupled-channel effects of excited electrons in a dense plasma. We present FTRPA calculations that include coupled-channel effects. The inclusion of these effects is shown to cause significant differences in the oscillator strength for a prototypical case of P-1 excitation in neon when compared with single-channel and with average-atom calculations. Trends as a function of temperature and density are also discussed.

引用

页数：4

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