Phys. Rev. A 54, 2805–2813 (1996)Second-order self-energy–vacuum-polarization contributions to the Lamb shift in highly charged few-electron ionsReceived 12 February 1996; published in the issue dated October 1996 Proceeding towards the evaluation of the complete set of radiative corrections of order α2 to the energy levels of hydrogenlike systems, the second-order self-energy–vacuum-polarization contribution to the Lamb shift of bound electrons is derived and calculated. We focus on the Uehling part of the vacuum-polarization insertion in the effective photon interaction. Additional energy corrections of order α2 are also calculated. We present a brief summary of various energy contributions for K- and L-shell electrons in hydrogenlike and lithiumlike high-Z ions. © 1996 The American Physical Society. © 1996 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.54.2805
DOI:
10.1103/PhysRevA.54.2805
PACS:
31.10.+z, 31.30.Jv
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