Three-body problem of two-electron atoms
- 1 December 1976
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 14 (6) , 1961-1964
- https://doi.org/10.1103/physreva.14.1961
Abstract
The Feshbach-Rubinow approximation, with a modification to take better account of screening, is first applied to an illustrative one-dimensional problem. The same method is then used in realistic two-electron atoms to obtain analytic expressions for the ground-state energy and wave function. Numerical results are presented to show the improvement from earlier unmodified Feshbach-Rubinow calculations.Keywords
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