Comments on the Alleged Validity of $R_{4}$ Invariance as a Symmetry for Electron Correlations

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1 October 1970

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

Vol. 2 (4) , 1600-1603
https://doi.org/10.1103/physreva.2.1600

Abstract

Recent indications that

R_{4}

is a fairly good symmetry for two-electron atoms are shown to be unjustified.

Keywords

This publication has 6 references indexed in Scilit:

Group Theory and Mixed Atomic Configurations
Journal of Mathematical Physics, 1969
Application of the Group $R_{4}$ to Energy-Level Separations and the Evaluation of Correlation Energy in Atoms
Physical Review B, 1969
The Group $R_{4}$ in Atomic-Structure Theory: The Hydrogenic $R_{4}$ versus the Mathematical $R_{4}$ and the Coulomb Interaction in $2 s^{m} 2 p^{n}$ and $3 s^{m} 3 p^{n} 3 d^{r}$ Configurations
Physical Review B, 1969
R4 invariants for doubly excited states of helium
Physics Letters A, 1968
Symétrie des opérateurs de l'interaction coulombienne pour les configurations (d + s)n
Journal de Physique, 1967
Auto-Ionizing States in Helium
Physical Review B, 1966