Interelectronic-interaction contribution to the nonlinear Zeeman effect in boronlike ions

Abstract

Relativistic calculations of the second- and third-order contributions in magnetic field to the Zeeman splitting in boronlike ions are presented for the wide range of nuclear charge numbers $Z=6$--$92$. The interelectronic-interaction correction of the first order in $1/Z$ is evaluated to all orders in $\alpha Z$. The higher-order corrections in $1/Z$ are taken into account approximately by means of effective screening potentials. The obtained results are important for interpretation of experimental data on the Zeeman splitting in boronlike ions, in particular, for the ARTEMIS experiment presently implemented at GSI.

arXiv comment29 pages, 3 figures, 7 tables

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• Ground-state $g$ factor of middle-$Z$ boronlike ions
• $g$ Factor of Boron-like Tin
• QED effects in quadratic Zeeman splitting in highly charged hydrogen-like ions
• $g$ factor of the $2p_j$ excited states in lithium-like ions