Long-range interactions between two 2s excited hydrogen atoms

Jonsell, S.; Saenz, Alejandro; Froelich, P.; Forrey, R. C.; Côté, R.; Dalgarno, A.

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Long-range interactions between two 2s excited hydrogen atoms

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Saenz, Alejandro
Theory, Max Planck Institute of Quantum Optics, Max Planck Society;

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引用

Jonsell, S., Saenz, A., Froelich, P., Forrey, R. C., Côté, R., & Dalgarno, A. (2002). Long-range interactions between two 2s excited hydrogen atoms. Physical Review A, 65(4):, 042501. Retrieved from http://link.aps.org/abstract/PRA/v65/e042501.

引用: https://hdl.handle.net/11858/00-001M-0000-000F-C22B-D

要旨

The doubly excited ¹Σ_g⁺ and ³Σ_u⁺ states of the H₂ molecule converging to the H(n=2)+H(n'=2) 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.