Excitation Energies and Fine Structure Splittings for 1s2nd (n≤9) States of Ni25+ Ion
Abstract: The excitation energies and fine structure splittings of 1s2nd (n≤9) states for Ni25+ ion are calculated in this paper. Non-relativistic energies are obtained with the eigenvalue of non-relativistic Hamiltonian operators; the relativis-tic and mass-polarization effects on the energies are included as the first-order perturbation. The fine structure splittings are determined from the expectation value of spin-orbit and spin-other orbit interaction operators. In order to make the results more precise, quantum-electrodynamics (QED) contribution and higher-order relativistic contribution are con-sidered for highly charged Ni25+ ion. The results of fine structure splittings agree with the experimental data excellently, and the error is no more than several cm−1. Compared the excitation energy calculated with experimental data, the rela-tive error is only 0.2‰ - 0.6‰. It indicates the results obtained in this paper are both reliable and accurate.
文章引用: 徐 宁 , 韩雪飞 , 顾莹莹 , 王 帅 , 胡木宏 (2013) Ni25+离子1s2nd (n≤9)的激发能和精细结构。 现代物理， 3， 65-67. doi: 10.12677/MP.2013.32012
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