$g$ factor of the $2p_j$ excited states in lithium-like ions

TL;DR

This paper presents relativistic calculations of the g factor for excited 2p states in lithium-like ions across a wide Z range, including QED, recoil, and higher-order effects.

Contribution

It provides comprehensive relativistic and QED calculations for the g factor in lithium-like ions, considering various effects and using screening potentials for higher-order correlation estimates.

Findings

Calculated g factors for 2p_{1/2} and 2p_{3/2} states across Z=10-92.

Included QED, recoil, and magnetic field effects in the calculations.

Estimated higher-order correlation effects using screening potentials.

Abstract

Relativistic calculations for the $g$ factor of the lowest excited states $2p_{1/2}$ and $2p_{3/2}$ of lithium-like ions over a wide range of the nuclear charge numbers $Z=10-92$ are presented. Interelectronic interaction is considered within the perturbation theory up to the second order. One-loop QED contributions are calculated to all orders in $\alpha Z$. Leading contributions of the nuclear recoil effects 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.