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Chin. Phys., 2005, Vol. 14(3): 505-510    DOI: 10.1088/1009-1963/14/3/013

Resonance calculations of d-f intervals for the lithium Rydberg states

Chen Chaoa, Wang Zhi-Wenb
a Centre for Atomic and Molecular Nanosciences, Department of Physics, Tsinghua University, Beijing 100084, China; b Department of Physics, Liaoning Normal University, Dalian 116029, China
Abstract  By using the energies of the 1s2nd(n=3—5) and 1s2nf(n=4—6) states for a lithium atom, calculated with the full core plus correlation method, quantum defect functions are obtained which vary smoothly with energy based on quantum defect theory. Then these functions are separately used to construct a system equation to calculate the energies and quantum defects of the 1s2nd and 1s2nf(n=7—11) states for the lithium atom. Separations between the centres of gravity of the nd and nf levels (n=7—11) are also predicted and compared with the experimental and theoretical data available in the literature.
Keywords:  quantum defect theory      full core plus correlation method      energy intervals  
Received:  19 May 2004      Revised:  16 November 2004      Published:  02 March 2005
PACS:  31.10.+z (Theory of electronic structure, electronic transitions, and chemical binding)  
  34.50.-s (Scattering of atoms and molecules)  
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos 10404017, 10474029 and 10347114).

Cite this article: 

Chen Chao, Wang Zhi-Wen Resonance calculations of d-f intervals for the lithium Rydberg states 2005 Chin. Phys. 14 505

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