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Optics and Spectroscopy, 2020, Volume 128, Issue 8, Pages 1085–1093
DOI: https://doi.org/10.21883/OS.2020.08.49702.115-20 (Mi os325) 		 
This article is cited in 3 scientific papers (total in 3 papers)

Spectroscopy and physics of atoms and molecules

Isotope shifts of energy levels in helium-like highly charged ions

N. A. Zubova, M. Yu. Kaygorodov, Yu. S. Kozhedub, A. V. Malyshev, R. V. Popov, I. M. Savelyev, I. I. Tupitsyn, V. M. Shabaev

Saint Petersburg State University
Full-text PDF (141 kB) Citations (3)
DOI: https://doi.org/10.21883/OS.2020.08.49702.115-20
Abstract: Isotope shifts of $n$ = 1 and $n$ = 2 levels and corresponding transitions in helium-like highly charged ions are calculated with high precision. The total value of the isotope shift is determined mainly by the sum of the field and mass shifts. The field shift is calculated by using the Dirac–Fock–Sturm method taking into account interaction of configurations. Quantum-electrodynamic corrections to this contribution are taken into account approximately by using the corresponding one-electron expressions. The mass shift is calculated both within the framework of the Breit approximation and by taking into account quantum-electrodynamic contributions that become substantial for heavy ions. In the case of thorium and uranium ions, corrections due to nuclear polarization and deformation are taken into account additionally.
Keywords: isotopic shifts, relativistic theory of atoms, charge radii of nuclei.
Funding agency Grant number
Russian Foundation for Basic Research 18-32-00275
Foundation for the Advancement of Theoretical Physics and Mathematics BASIS
This research was supported by the Russian Science Foundation, project no. 18-32-00275. Research carried by M.Yu.K., A.V.M., R.V.P., and V.M.Sh. was supported by the Foundation for the Advancement of Theoretical Physics and Mathematics “BASIS”.
Received: 18.03.2020
Revised: 18.03.2020
Accepted: 25.03.2020
English version:
Optics and Spectroscopy, 2020, Volume 128, Issue 8, Pages 1090–1099
DOI: https://doi.org/10.1134/S0030400X20080408
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: N. A. Zubova, M. Yu. Kaygorodov, Yu. S. Kozhedub, A. V. Malyshev, R. V. Popov, I. M. Savelyev, I. I. Tupitsyn, V. M. Shabaev, “Isotope shifts of energy levels in helium-like highly charged ions”, Optics and Spectroscopy, 128:8 (2020), 1085–1093; Optics and Spectroscopy, 128:8 (2020), 1090–1099
Citation in format AMSBIB
\Bibitem{ZubKayKoz20}
\by N.~A.~Zubova, M.~Yu.~Kaygorodov, Yu.~S.~Kozhedub, A.~V.~Malyshev, R.~V.~Popov, I.~M.~Savelyev, I.~I.~Tupitsyn, V.~M.~Shabaev
\paper Isotope shifts of energy levels in helium-like highly charged ions
\jour Optics and Spectroscopy
\yr 2020
\vol 128
\issue 8
\pages 1085--1093
\mathnet{http://mi.mathnet.ru/os325}
\crossref{https://doi.org/10.21883/OS.2020.08.49702.115-20}
\elib{https://elibrary.ru/item.asp?id=44045910}
\transl
\jour Optics and Spectroscopy
\yr 2020
\vol 128
\issue 8
\pages 1090--1099
\crossref{https://doi.org/10.1134/S0030400X20080408}
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  • https://www.mathnet.ru/eng/os/v128/i8/p1085
    • This publication is cited in the following 3 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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