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Calculations of dynamic dipole polarizabilities of Li and Na atoms in debye plasma using the model potential technique

Authors

  • Hua-Wei Li,

    1. Center for Theoretical Atomic and Molecular Physics, The Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150080, People's Republic of China
    2. National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150080, People's Republic of China
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  • Sabyasachi Kar,

    Corresponding author
    1. Center for Theoretical Atomic and Molecular Physics, The Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150080, People's Republic of China
    • Center for Theoretical Atomic and Molecular Physics, The Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150080, People's Republic of China
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  • Pinghui Jiang

    1. Center for Theoretical Atomic and Molecular Physics, The Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150080, People's Republic of China
    2. College of Electrical and Information Engineering, Heilongjiang Institute of Technology, Harbin 150050, People's Republic of China
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Abstract

The effects of Debye plasma on the frequency-dependent polarizabilities of Li and Na atoms are investigated using symplectic algorithm within the framework of the pseudostate summation technique. Dynamic dipole polarizabilities of Li (2s 2S) and Na(3s 2S) as functions of scaled number density of the plasma electrons for arbitrary plasma temperature are presented. Screening effects on the resonance frequencies are also presented. In free-atomic cases, our calculated results are comparable with the reported theoretical and experimental predictions. © 2012 Wiley Periodicals, Inc.

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