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Effects of Core-valence and Core-core Correlation On the Line-strength of the Resonance Lines In Li-i and Na-i
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- Brage, Tomas (author)
- Lund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
- Fischer, C. F (author)
- Jonsson, P (author)
- (creator_code:org_t)
- 1994
- 1994
- English.
- In: Physical Review A (Atomic, Molecular and Optical Physics). - 1050-2947. ; 49:3, s. 2181-2184
- Journal article (peer-reviewed)
Abstract
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- The resonance lines in Li I and Na I both exhibit a puzzling discrepancy between experiment and accurate ab initio calculations. Only results from a semiempirical method, that in principal neglects core-core correlation, agree with the experiments. The agreement with a multiconfiguration Hartree-Fock calculation, including only core-valence correlation, shows that this might be fortuitous. A method for including some core-core correlation is designed and gives results in excellent agreement with other accurate ab initio methods.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
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