Long-range interactions between twoexcited hydrogen atoms
- 14 March 2002
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 65 (4), 042501
- https://doi.org/10.1103/physreva.65.042501
Abstract
The doubly excited and states of the molecule converging to the limit have been calculated using explicitly correlated basis functions, giving accurate results out to a nuclear separation sufficiently large to apply asymptotic expansions for the potential energy. The autoionization widths have been obtained using the complex-scaling method. For nuclear separations larger than 22 a.u., asymptotic expressions for the interaction energies have been obtained from perturbation theory.
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