中国物理B ›› 2008, Vol. 17 ›› Issue (6): 2027-2032.doi: 10.1088/1674-1056/17/6/016

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Relativistic multichannel treatment of autoionization Rydberg series of 4s2 nf(n=4--23)Jπ=(7/2)0 for scandium

贾凤东, 王京阳, 钟志萍   

  1. College of Physical Sciences, Graduate University of the Chinese Academy of Sciences, PO Box 4588, Beijing 100049, China
  • 收稿日期:2007-10-10 修回日期:2007-11-07 出版日期:2008-06-20 发布日期:2008-06-20
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No 10574162) and partial supported from the Scientific Research Fund of GUCAS (Grant No 055101BM03).

Relativistic multichannel treatment of autoionization Rydberg series of 4s2 nf(n=4--23)J$\pi$=(7/2)0 for scandium

Jia Feng-Dong(贾凤东), Wang Jing-Yang(王京阳), and Zhong Zhi-Ping(钟志萍)†   

  1. College of Physical Sciences, Graduate University of the Chinese Academy of Sciences, PO Box 4588, Beijing 100049, China
  • Received:2007-10-10 Revised:2007-11-07 Online:2008-06-20 Published:2008-06-20
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No 10574162) and partial supported from the Scientific Research Fund of GUCAS (Grant No 055101BM03).

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摘要： Based on relativistic multichannel theory, this paper calculates the energy levels of autoionization Rydberg series 4s2 nf(n=4-23)Jπ =(7/2)0 of scandium at different levels of approximation within the framework of multichannel quantum defect theory. The present results show that the dipole polarizations play an important role. Considering the dynamical dipole polarization effects, this paper finds that the difference between calculated and experimental quantum defects for the 4s2nf(n=4-23)Jπ =(7/2)0 series is generally about 0.01--0.03. Furthermore, the reason that 4s216f is obscured in experimental spectra is suggested to be the interaction with the neighbouring resonance state converged to 3d2(1G4 ) of Sc+.

关键词: relativistic multichannel theory, multichannel quantum defect theory, electron--electron correlations

Abstract: Based on relativistic multichannel theory, this paper calculates the energy levels of autoionization Rydberg series 4s2 nf(n=4-23)J$\pi$ =(7/2)0 of scandium at different levels of approximation within the framework of multichannel quantum defect theory. The present results show that the dipole polarizations play an important role. Considering the dynamical dipole polarization effects, this paper finds that the difference between calculated and experimental quantum defects for the 4s2nf(n=4-23)J$\pi$ =(7/2)0 series is generally about 0.01--0.03. Furthermore, the reason that 4s216f is obscured in experimental spectra is suggested to be the interaction with the neighbouring resonance state converged to 3d2(1G4 ) of Sc+.

Key words: relativistic multichannel theory, multichannel quantum defect theory, electron--electron correlations

中图分类号:  (Autoionization)

  • 32.80.Zb
31.30.J- (Relativistic and quantum electrodynamic (QED) effects in atoms, molecules, and ions)