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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Investigation of accuracy of configuration interaction for the oxygen isoelectronic sequence
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Investigation of accuracy of configuration interaction for the oxygen isoelectronic sequence

机译:氧等电子序列构型相互作用的准确性研究

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摘要

The influence of the number of accounted admixed configurations on the accuracy of the energy spectra of the ground and four excited configurations (1s(2)2s2p(5) and 1s(2)2s(2)2p(3)31) as well as on the radiative lifetimes of the excited levels is investigated. The five ions (Mg V, Si VII, Cl X, Ca XIII and Cr XVII) of the oxygen isoelectronic sequence are taken as examples. The calculations are performed on the basis of the transformed radial orbitals. The admixed configurations are selected according to their influence evaluated in the second order of perturbation theory.
机译:混合构型数量对地面能谱和四个激发构型(1s(2)2s2p(5)和1s(2)2s(2)2p(3)31)的能谱准确性的影响对激发能级的辐射寿命进行了研究。以氧等电子序列的五个离子(Mg V,Si VII,Cl X,Ca XIII和Cr XVII)为例。这些计算是基于变换后的径向轨道进行的。根据在二阶扰动理论中评估的影响选择混合构型。

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