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QED radiative corrections to electric dipole amplitudes in heavy atoms

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arxiv 2212.11490 v1 pith:Y2DSNRNS submitted 2022-12-22 physics.atom-ph

C. J. Fairhall , B. M. Roberts , J. S. M. Ginges This is my paper · ORCID
classification physics.atom-ph
keywords radiativeamplitudesatomicatomscorecorrectionsdipoleelectric
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We use the radiative potential method to perform a detailed study of quantum electrodynamics (QED) radiative corrections to electric dipole (E1) transition amplitudes in heavy alkali-metal atoms Rb, Cs, Fr, and alkali-metal-like ions Sr+, Ba+, and Ra+. The validity of the method is checked by comparing with the results of rigorous QED in simple atomic potentials. We study the effects of core relaxation, polarization of the core by the E1 field, and valence-core correlations on QED, which are shown to be important in some cases. We identify several transitions for which the QED contribution exceeds the deviation between atomic theory and experiment.

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  1. Self-energy correction to the E1 transition amplitudes in hydrogen-like ions

    physics.atom-ph 2024-12 conditional novelty 6.0 of 10

    Self-energy corrections to E1 amplitudes in H-like ions are computed to all orders in Zα; the vertex+reducible part breaks the accuracy of effective QED operators for np-n'd transitions.

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