Calculation of the Lowest  2  S  Resonance State of He −  by a Stabilization Method

S. O. Adamson; D. D. Kharlampidi; A. A. Preobrazhenskaya; A. I. Dement’ev

doi:10.1134/S199079311706015X

Calculation of the Lowest ²S Resonance State of He⁻ by a Stabilization Method

Авторлар: Adamson S.O.¹^,2, Kharlampidi D.D.³, Preobrazhenskaya A.A.³, Dement’ev A.I.³
Мекемелер:
1. Moscow State University
2. Moscow Institute of Physics and Technology
3. Moscow State Pedagogical University
Шығарылым: Том 11, № 6 (2017)
Беттер: 894-902
Бөлім: Elementary Physicochemical Processes
URL: https://journals.rcsi.science/1990-7931/article/view/199694
DOI: https://doi.org/10.1134/S199079311706015X
ID: 199694

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The parameters of the lowest ²S resonance state of the He⁻ system were calculated using the Coulomb potential stabilization method. It was found that the errors of the resonance energy and width have the same character as that in the earlier studied two-electron systems H⁻, He, and Li⁺. It was shown that the errors can be minimized using a single-electron basis sets, which provides the best reproduction of the low-lying states of the helium atom.