Many-electron QED corrections to the g factor of lithiumlike ions

Many-electron QED corrections to the g factor of lithiumlike ions

A rigorous QED evaluation of the two-photon exchange corrections to the g factor of lithiumlike ions is presented. The screened self-energy corrections are calculated for the intermediate-Z region, and its accuracy for the high-Z region is essentially improved in comparison with that of previous cal...

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Veröffentlicht in:Physical review letters 2014-06, Vol.112 (25), p.253004-253004, Article 253004
Hauptverfasser: Volotka, A V, Glazov, D A, Shabaev, V M, Tupitsyn, I I, Plunien, G
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Ion exchangers
Mathematical analysis
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container_issue 25
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container_title Physical review letters
container_volume 112
creator Volotka, A V
Glazov, D A
Shabaev, V M
Tupitsyn, I I
Plunien, G
description A rigorous QED evaluation of the two-photon exchange corrections to the g factor of lithiumlike ions is presented. The screened self-energy corrections are calculated for the intermediate-Z region, and its accuracy for the high-Z region is essentially improved in comparison with that of previous calculations. As a result, the theoretical accuracy of the g factor of lithiumlike ions is significantly increased. The theoretical prediction obtained for the g factor of (28)Si(11+) g(th) = 2.000 889 892(8) is in an excellent agreement with the corresponding experimental value g(exp) = 2.000 889 889 9(21) [A. Wagner et al., Phys. Rev. Lett. 110, 033003 (2013).
doi_str_mv 10.1103/PhysRevLett.112.253004
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subjects Ion exchangers
Mathematical analysis
title Many-electron QED corrections to the g factor of lithiumlike ions
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