Analytic variationally optimized internally orthogonalized modified Laguerre orbitals in accurate atomic configuration interaction calculation

Analytic variationally optimized internally orthogonalized modified Laguerre orbitals in accurate atomic configuration interaction calculation
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精确原子构型相互作用计算中解析变分优化的内部正交修正拉盖尔轨道

DOI:
10.1088/1009-1963/15/5/021
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发表时间:
2006-05
期刊:
Chinese Physics
影响因子:
--
通讯作者:
Bacalis N.C.
Bacalis N.C.
中科院分区:
其他
文献类型:
--
作者:
Xiong Zhuang(熊庄);Bacalis N.C.

文献摘要

参考文献

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提出了一种基于变优内正交化修正Laguerre轨道的解析组态相互作用方法。我们开发了相应的计算机代码。为了应用,我们研究了从氦到氖的132s - 1S等电子序列,并与其他方法进行了比较。通过考虑Eckart上界定理,我们得到了比Hartree-Fock和多构型Hartree-Fock报道的结果更准确、更直观易懂的结果。
An analytic configuration interaction method based on variationally optimized internally orthogonalized modified Laguerre orbitals is presented. We have developed the corresponding computer code. For application, we study the 1s2s 1S isoelectronic sequence from helium to neon and compare with other methods. By taking into account the Eckart upper-bound theorem, we obtained more accurate and more intuitively understandable results than Hartree–Fock and multi-configuration Hartree–Fock reported results.
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