Complex-coordinate calculations for doubly excited states of two-electron atoms
- 1 May 1981
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 23 (5) , 2137-2149
- https://doi.org/10.1103/physreva.23.2137
Abstract
Doubly excited states of helium sequence () are investigated by a complex-coordinate method. Some lower-lying and states below the hydrogenic thresholds are calculated by the use of Hylleraas-type wave functions. Results are compared with recent calculations and experiments.
Keywords
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