College Physics ›› 2017, Vol. 36 ›› Issue (11): 12-14.doi: 10.16854 /j.cnki.1000-0712.2017.11.003

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Research on the ground state energies of lithium-like atoms using double-parameter perturbation method

WU Feng,MENG Li-juan   

  1. Department of Physics,Yancheng Institute of Technology,Yancheng, Jiangsu 224051,China
  • Received:2017-03-30 Revised:2017-05-26 Online:2017-11-20 Published:2017-11-24

Abstract: We develop the double - parameter perturbation method to study the ground state energies of lithium-like atoms. The calculated first-level approximate results are in well agreement with experiment within a relative error of 0.2%.

Key words: double-parameter perturbation method, lithium-like atom, ground state energy