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KIAM Preprint № 66, Moscow, 2021
Authors: Vichev I.Y., Kim D.A., Solomyannaya A.D., Grushin A.S., Iartsev B.L.
Calculation of the position of spectral lines in the intermediate coupling approximation taking into account the interaction of configurations
When modeling experimental spectra, special attention is paid to the accuracy of the position of spectral lines, which in many-electron ions depends not only on the spin-orbital and electrostatic interaction, but also on the interaction of configurations. In order to improve the THERMOS complex on the basis of an intermediate-type bond, a module was developed that uses the Ritz method to calculate the splitting of ion levels due to the spin-orbit interaction, taking into account the interaction of configurations. Comparisons of the results obtained for lithium and iron plasma are made.
spin-orbit interaction, interaction of configurations, perturbation theory, spectral line position, oscillator strength
Publication language: russian,  pages: 20
Research direction:
Mathematical modelling in actual problems of science and technics
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About authors:
  • Vichev Ilia Yurievich, RAS
  • Kim Dmitrii Andreevich, RAS
  • Solomyannaya Anna Dmitrievna, RAS
  • Grushin Alexander Sergeevich, RAS
  • Iartsev Boris Leonidovich, RAS