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Ground-state energies for helium,H−,andPs−
Abstract
A triple basis set in Hylleraas coordinates is used to obtain improved variational bounds for the nonrelativistic energy and other properties of He, ${\mathrm{H}}^{\ensuremath{-}},$ and ${\mathrm{Ps}}^{\ensuremath{-}}.$ The accuracy, numerical stability, and computational efficiency are compared with recent work based on quasirandom basis sets. The Kato cusp conditions are used to assess the accuracy of the wave functions at short distances.
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Citations
Cited by
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McElroy, K., Lee, J., Slezak, J. A., Lee, D.-H., Eisaki, H., Uchida, S., & Davis, J. C. (2005) · Science · doi:10.1126/science.1113095 · Cited by 428
Metadata
- Authors
- Drake, G. W. F., Cassar, M. M., & Nistor, R. A.
- Venue
- Physical Review A
- Publisher
- American Physical Society (APS)
- Published
- 2002-04-15
- Volume
- 65
- Issue
- 5
- ISSN
- 0556-2791 (ISSN-L)
- 1050-2947
- 1094-1622
- OpenAlex
- W1973854481
- Cited by
- 186
- References
- 0
- FWCI
- 8.06
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Ground-state energies for helium,H−,andPs−. https://app.cochat.ai/papers/10.1103/physreva.65.054501
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- Drake, G. W. F., Cassar, M. M., & Nistor, R. A. (2002). Ground-state energies for helium,H−,andPs−. Physical Review A. https://doi.org/10.1103/physreva.65.054501
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