Matches in SemOpenAlex for { <https://semopenalex.org/work/W2040422899> ?p ?o ?g. }
- W2040422899 abstract "A simple effective energy operator is constructed for doubly excited two-electron atoms. This operator generalizes the ``molecular'' Hamiltonian of the supermultiplet model based in approximate $O(4)$ symmetry. The Hamiltonian is compared to spectra of two-electron systems with both electrons in the $n=2$ shell. Nonlinear least-squares fits show systematic trends related to shielding, independent particle, and correlation effects. Operators for atoms with three or more outer electrons are briefly considered." @default.
- W2040422899 created "2016-06-24" @default.
- W2040422899 creator A5004076534 @default.
- W2040422899 date "1999-02-01" @default.
- W2040422899 modified "2023-09-27" @default.
- W2040422899 title "Effective Hamiltonian for atomic collective spectra" @default.
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- W2040422899 doi "https://doi.org/10.1103/physreva.59.1102" @default.
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