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Density dependence of the detailed spectral line effects on the opacity of astrophysical abundant elements: oxygen
Wang, FL; Zhao, G; Yuan, JM
2003-10-01
发表期刊CHINESE PHYSICS LETTERS
卷号20期号:10页码:1887-1890
摘要A full relativistic detailed-level-accounting approach has been developed independently to deal with the detailed spectral line effects on the opacity of the third most abundant element in stars: oxygen. The atomic energy levels and the oscillator strengths of the radiative transitions between the energy levels are obtained by carrying out the full relativistic one-configuration Dirac-Fock calculations. The photoionization cross sections are obtained via an average atom scheme with a consideration for the splitting of the ionization threshold due to the ionization stages and the term-couplings. As an example, the spectra resolved opacities and the mean opacities of oxygen are calculated to show the importance of the detailed spectral line profiles with the density of the matter.
收录类别SCI
语种英语
WOS记录号WOS:000186039100066
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8487
专题光学天文研究部
作者单位1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Natl Univ Def Technol, Dept Appl Phys, Changsha 410073, Peoples R China
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Wang, FL,Zhao, G,Yuan, JM. Density dependence of the detailed spectral line effects on the opacity of astrophysical abundant elements: oxygen[J]. CHINESE PHYSICS LETTERS,2003,20(10):1887-1890.
APA Wang, FL,Zhao, G,&Yuan, JM.(2003).Density dependence of the detailed spectral line effects on the opacity of astrophysical abundant elements: oxygen.CHINESE PHYSICS LETTERS,20(10),1887-1890.
MLA Wang, FL,et al."Density dependence of the detailed spectral line effects on the opacity of astrophysical abundant elements: oxygen".CHINESE PHYSICS LETTERS 20.10(2003):1887-1890.
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