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用Dirac-Fock计算方法对类镁离子价电子体系的研究

, PP. 690-696

Keywords: 多组态Dirac-Fock方法,相对论多组态相互作用,能级结构,振子强度

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Abstract:

类镁离子在天体物理、等离子体物理等研究领域的研究中都有非常重要的作用.在多组态Dirac-Fock方法的框架下,考虑相对论多组态相互作用,计算出了类镁等电子数系列3s2-3s3p跃迁的各种原子结构参数,其中考虑了价电子与价电子、价电子与原子实内的电子以及原子实内电子之间的关联效应.在计算中,初态和末态不能相同,还要独立,跃迁矩阵元的赋值通过一种高效的转换方法来实现.计算所得的能级分离和跃迁几率与最近的实验数据符合得相当好,原子实内电子与价电子的关联效应与其它理论和实验值也符合得非常好.所得的大量计算结果还为以后的实验工作提供一些理论上的参考.

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