dorsal/arxiv
View SchemaCalculation of the energy levels of Ge, Sn, Pb and their ions in the $V^{N-4}$ approximation
| Authors | V. A. Dzuba |
|---|---|
| Categories | |
| ArXiv ID | physics/0502104 |
| URL | https://arxiv.org/abs/physics/0502104 |
| DOI | 10.1103/PhysRevA.71.062501 |
| Journal | Phys. Rev. A 71, 062501 (2005) |
Abstract
Energy levels of germanium, tin and lead together with their single, double and triple ionized positive ions have been calculated using the $V^{N-M}$ approximation suggested in the previous work (Dzuba, physics/0501032) (M=4 - number of valence electrons). Initial Hartree-Fock calculations are done for the quadruply ionized ions with all valence electrons removed. The core-valence correlations are included beyond the second-order of the many-body perturbation theory. Interaction between valence electrons is treated by means of the configuration interaction technique. It is demonstrated that accurate treatment of the core-valence correlations lead to systematic improvement of the accuracy of calculations for all ions and neutral atoms.
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"abstract": "Energy levels of germanium, tin and lead together with their single, double\nand triple ionized positive ions have been calculated using the $V^{N-M}$\napproximation suggested in the previous work (Dzuba, physics/0501032) (M=4 -\nnumber of valence electrons). Initial Hartree-Fock calculations are done for\nthe quadruply ionized ions with all valence electrons removed. The core-valence\ncorrelations are included beyond the second-order of the many-body perturbation\ntheory. Interaction between valence electrons is treated by means of the\nconfiguration interaction technique. It is demonstrated that accurate treatment\nof the core-valence correlations lead to systematic improvement of the accuracy\nof calculations for all ions and neutral atoms.",
"arxiv_id": "physics/0502104",
"authors": [
"V. A. Dzuba"
],
"categories": [
"physics.atom-ph"
],
"doi": "10.1103/PhysRevA.71.062501",
"journal_ref": "Phys. Rev. A 71, 062501 (2005)",
"title": "Calculation of the energy levels of Ge, Sn, Pb and their ions in the $V^{N-4}$ approximation",
"url": "https://arxiv.org/abs/physics/0502104"
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