<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>g</mi></math> factor of the <math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mn>2</mn><msub><mi>p</mi><mi>j</mi></msub></mrow></math> excited states in lithiumlike ions

D. V. Zinenko; V. A. Agababaev; D. A. Glazov; A. V. Malyshev; A. D. Moshkin; E. V. Tryapitsyna; A. V. Volotka

doi:10.1103/jdpd-t4lw

$g$ factor of the $2 p_{j}$ excited states in lithiumlike ions

D. V. Zinenko ¹, V. A. Agababaev ², D. A. Glazov ^2,3, A. V. Malyshev ^1,3, A. D. Moshkin ^1,2, E. V. Tryapitsyna^2,3, and A. V. Volotka²

¹Department of Physics, St. Petersburg State University, Universitetskaya 7/9, 199034 St. Petersburg, Russia
²School of Physics and Engineering, ITMO University, Kronverkskiy 49, 197101 St. Petersburg, Russia
³Petersburg Nuclear Physics Institute named by B. P. Konstantinov of National Research Centre “Kurchatov Institute,” 188300 Gatchina, Leningrad District, Russia

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Phys. Rev. A 113, 052809 – Published 13 May, 2026

DOI: https://doi.org/10.1103/jdpd-t4lw

Abstract

Relativistic calculations for the $g$ factor of the lowest excited states $2 p_{1 / 2}$ and $2 p_{3 / 2}$ of lithiumlike ions over a wide range of the nuclear-charge numbers $Z = 10 – 92$ are presented. Interelectronic interaction is considered within perturbation theory up to the second order. One-loop QED contributions are calculated to all orders in $α Z$ . Leading contributions of the nuclear-recoil effect are taken into account. The quadratic and cubic terms in magnetic field are considered as well. A set of screening potentials is used in all calculations to estimate the unknown higher-order correlation effects. The most accurate theoretical predictions for the $g$ factor of the $2 p_{j}$ states are obtained, with uncertainties at the parts-per-million level.

Physical Review A

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$g$ factor of the $2 p_{j}$ excited states in lithiumlike ions

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g factor of the 2pj excited states in lithiumlike ions

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$g$ factor of the $2 p_{j}$ excited states in lithiumlike ions