Nonmonotonic behavior as a function of nuclear charge of the K-shell Auger and radiative rates and fluorescence yields along the 1s2s(2)2p(3) isoelectronic sequence
Nonmonotonic behavior as a function of nuclear charge of the K-shell Auger and radiative rates and fluorescence yields along the 1s2s(2)2p(3) isoelectronic sequence
复制标题
非单调行为作为 K 壳俄歇核电荷的函数以及沿 1s2s(2)2p(3) 等电子序列的辐射速率和荧光产率
DOI：
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发表时间：
2008
期刊：
影响因子：
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通讯作者：
N. Badnell
中科院分区：
文献类型：
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作者：
M. F. Hasoğlu;D. Nikolić;T. Gorczyca;S. Manson;Mau H. Chen;N. Badnell
用多组态Breit-Pauli和Dirac-Fock方法计算了六电子K壳层空位等电子序列的辐射率、俄歇率和相关的荧光产额，发现它们随核电荷Z的变化呈现非单调性.这种行为解释的一个偶然的简并，避免交叉的两个近简并的自旋轨道耦合水平。结果还表明，包括电子-电子相关和自旋-轨道效应，即使在低Z$的重要性。
Calculations using multiconfiguration Breit-Pauli and multiconfiguration Dirac-Fock methodologies have revealed that the radiative and Auger rates, and the associated fluorescence yields, of the six electron $1s2{s}^{2}2{p}^{3}$ $K$-shell vacancy isoelectronic sequence exhibit nonmonotonic behavior as a function of nuclear charge $Z$. This behavior is explained in terms of an accidental degeneracy, an avoided crossing of two nearly degenerate spin-orbit coupled levels. The results also demonstrate the importance of including both electron-electron correlation and spin-orbit effects even at low $Z$.