QED theory of the specific mass shift in atoms

Abstract

The quantum electrodynamics formalism to treat the interelectronic-interaction correction of first order in $1/Z$ to the two-electron part of the nuclear recoil effect on binding energies in atoms and ions is developed. The nonperturbative in $\alpha Z$ calculations of the corresponding contribution to the energies of the $1s^2$ state in He-like and the $1s^{2}2s$ and $1s^{2}2p_{1/2}$ states in Li-like ions are performed in the range $Z=5-100$. The behavior of the two-electron part of the nuclear recoil effect beyond the lowest-order relativistic approximation as $Z$ grows is studied.

arXiv comment19 pages, 8 figures, 5 tables

References in corpus (23)

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Cited by in corpus (6)

• QED tests with highly-charged ions
• Model-QED-operator approach to relativistic calculations of the nuclear recoil effect in many-electron atoms and ions
• Ab initio calculations of the $2p_{3/2}\to 2s$ transition in He-, Li-, and Be-like uranium
• Ab initio MCDHF calculations of the In and Tl electron affinities and their isotope shifts
• QED theory of the normal mass shift in few-electron atoms
• QED calculations of the $2p$-$2s$ transition energies in Li-like ions