Theoretical calculation of ionization potentials and relativistic energies of high angular momentum 1s2ng states of Li-like ions

Liu, Xin; Wang, Zhiwen

doi:10.1016/j.rinp.2018.11.087

Cited by 6 publications

(1 citation statement)

References 23 publications

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“…Due to the importance of lithium-like ions, there have been many studies on the ions. [3,[6][7][8][9][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30] In particular, Nahar et al [28] (hereafter referred to as Nahar1999) used the quasi-relativistic Breit-Pauli R-matrix method (BPRM) to calculate E1 transition radiative rates between energy levels up to n = 10 for lithium-like iron. In their calculations, they just added one-body relativistic correction terms to the non-relativistic Hamiltonian, [31] which included the one-body mass correction, the one-body Darwin term, and the spin-orbit term, they did not even include the two-body interactions in the Breit-Pauli approximation (such as the spin-other orbit, spin-spin, orbit-orbit, two-body Darwin, and spin-contact terms).…”

Section: Introductionmentioning

confidence: 99%

Fully relativistic many-body perturbation energies, transition properties, and lifetimes of lithium-like iron Fe XXIV

Min

Liu

et al. 2023

Chinese Phys. B

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Employing the advanced relativistic configuration interaction (RCI) combined with the many-body perturbation theory (RMBPT) method, we report energies and lifetime values for the lowest 35 energy levels from the (1s2)nl configurations (where the principal quantum number n = 2–6 and the angular quantum number l = 0,…,n–1) of lithium-like iron Fe XXIV, as well as complete data on the transition wavelengths, radiative rates, absorption oscillator strengths, and line strengths between the levels. Both the allowed (E1) and forbidden (magnetic dipole M1, magnetic quadrupole M2, and electric quadrupole E2) ones are reported. Through detailed comparisons with previous results, we assess the overall accuracies of present RMBPT results to be likely the most precise ones to date. Configuration interaction effects are found to be very important for the energies and radiative properties for the ion. The present RMBPT results are valuable for spectral line identification, plasma modeling, and diagnosing.

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