Effective three-particle forces in polyvalent atoms

M. G. Kozlov, M. S. Safronova, S. G. Porsev, I. I. Tupitsyn

Research output

6 Citations (Scopus)


We study the effective three-particle interactions between valence electrons, which are induced by the core polarization. Such interactions are enhanced when valence orbitals have a strong overlap with the outermost core shell, in particular, for systems with partially filled f shells. We find that in certain cases the three-particle contributions are large, affecting the order of the energy levels, and need to be included in high-precision calculations.
Original languageEnglish
Number of pages6
JournalPhysical Review A
Issue number3
Publication statusPublished - 2016
Externally publishedYes

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