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  Electron correlation effects on the g factor of lithiumlike ions

Zinenko, D. V., Glazov, D. A., Kosheleva, V., Volotka, A. V., & Fritzsche, S. (2023). Electron correlation effects on the g factor of lithiumlike ions. Physical Review A, 107(3): 032815. doi:10.1103/PhysRevA.107.032815.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000C-D0F4-5 Version Permalink: https://hdl.handle.net/21.11116/0000-000C-D0F5-4
Genre: Journal Article

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PhysRevA.107.032815.pdf (Publisher version), 452KB
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https://doi.org/10.1103/PhysRevA.107.032815 (Publisher version)
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 Creators:
Zinenko, D. V.1, Author
Glazov, D. A.1, Author
Kosheleva, V.2, 3, Author           
Volotka, A. V.4, Author
Fritzsche, S.5, Author
Affiliations:
1Department of Physics, St. Petersburg State University, ou_persistent22              
2Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              
3Center for Free-Electron Laser Science, ou_persistent22              
4School of Physics and Engineering, ITMO University, ou_persistent22              
5Theoretisch-Physikalisches Institut, Friedrich-Schiller-Universität Jena, ou_persistent22              

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 Abstract: We present the systematic QED treatment of the electron correlation effects on the g factor of lithiumlike ions for the wide range of nuclear charge number Z=14–82. The one- and two-photon exchange corrections are evaluated rigorously within the QED formalism. The electron-correlation contributions of the third and higher orders are accounted for within the Breit approximation employing the recursive perturbation theory. The calculations are performed in the framework of the extended Furry picture, i.e., with inclusion of the effective local screening potential in the zeroth-order approximation. In comparison to the previous theoretical calculations, the accuracy of the interelectronic-interaction contributions to the bound electron g factor in lithiumlike ions is substantially improved.

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Language(s): eng - English
 Dates: 2022-12-122023-01-182023-03-162023-03
 Publication Status: Issued
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 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevA.107.032815
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Project name : We thank V. A. Yerokhin for valuable discussions. The QED calculations in Secs. III A and III B were supported by the Foundation for the Advancement of Theoretical Physics and Mathematics ``BASIS'', while the part devoted to the Breit approximation, Sec. III C, was supported by the Russian Science Foundation (Grant No. 22-12-00258).
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Title: Physical Review A
  Other : Physical Review A: Atomic, Molecular, and Optical Physics
  Other : Phys. Rev. A
Source Genre: Journal
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Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 107 (3) Sequence Number: 032815 Start / End Page: - Identifier: ISSN: 1050-2947
CoNE: https://pure.mpg.de/cone/journals/resource/954925225012_2