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Nonrelativistic variationally optimized exchange potentials for Ne-like atomic ions having large atomic number
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| Abstract |
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| In an earlier study, the exchange energy density epsilon(x)(r) has been calculated analytically for Ne-like atomic ions in the nonrelativistic limit of large atomic number Z. Here, though now by numerical methods based on the optimized exchange potential approximation, corresponding results are obtained for V-x(r) for such ten-electron ions at large Z. The approach to the bare Coulomb limiting form of the 1/Z expansion is considered in some detail, as are corrections to the Slater potential V-x(Sl)(r), given in terms of the exchange energy density and ground-state density rho(r) by 2 epsilon(x)(r)/rho(r). | |
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English
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| Source (journal) |
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Physical review : A : atomic, molecular and optical physics. - Lancaster, Pa, 1990 - 2015 |
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Lancaster, Pa : 2003
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1094-1622 [online]
1050-2947 [print]
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| Volume/pages |
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68:4 Part b(2003), p. 1-4
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| Article Reference |
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044502
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| ISI |
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000188711400072
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E-only publicatie
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| Full text (open access) |
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