Configuration Mixing within the $2 s - 2 p$ Shell

Publisher Website

26 September 1983

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 51 (13) , 1159-1162
https://doi.org/10.1103/physrevlett.51.1159

Abstract

The Coulombic Hamiltonian of atoms approximately commutes with an

N

-electron operator which is a sum of O(4) Casimir operators. This accurately fixes configuration mixing within the entire

2 s - 2 p

shell. Several aspects of the stability of the results are discussed.

Keywords

This publication has 10 references indexed in Scilit:

Energy levels of doubly excited states of He
Physical Review A, 1982
Supermultiplet classification of higher intrashell doubly excited states of $H^{-}$ and He
Physical Review A, 1980
New interpretations, anomalous degeneracies, and SO(4) theory for electron correlation in first-row atoms and multiply-excited states
Physical Review A, 1978
Erratum: Group theoretic prediction of configuration mixing effects due to Coulomb repulsions in atoms with applications to doubly-excited spectra [J. Chem. Phys.62, 886 (l975)]
The Journal of Chemical Physics, 1976
Group theoretic prediction of configuration mixing effects due to Coulomb repulsions in atoms with applications to doubly-excited spectra
The Journal of Chemical Physics, 1975
Comparison of doubly-excited helium energy levels, isoelectronic series, autoionization lifetimes, and group-theoretical configuration-mixing predictions with large-configuration-interaction calculations and experimental spectra
Physical Review A, 1975
Approximated dynamical symmetry of two-electron atoms
Chemical Physics Letters, 1973
$O (4)$ and $U (3)$ Symmetry Breaking in the $2 s - 2 p$ Shell
Physical Review A, 1971
Kepler’s equation, Fock variables, Bacry’s generators and Dirac brackets
Il Nuovo Cimento A (1971-1996), 1968
On a screening theory of atomic spectra
Annals of Physics, 1959