The singlet S states of the helium isoelectronic sequence

M. Cohen; R. P. McEachran

doi:10.1088/0370-1328/92/1/306

The singlet S states of the helium isoelectronic sequence

M. Cohen^*
, R. P. McEachran

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

47 Scopus citations

Abstract

A matrix method is employed to calculate the energy eigenvalues and the corresponding orbital wave functions for a number of ¹S states of the helium isoelectronic sequence. The 'inner' 1s-electron orbital is represented by a hydrogenic wave function, while the valence electron orbital is expanded in a complete set of Laguerre functions. Results are presented for the 1 ¹S, 2 ¹S and 3 ¹S states of He, Li⁺ and Be²⁺.

Original language	English
Article number	306
Pages (from-to)	37-41
Number of pages	5
Journal	Proceedings of the Physical Society
Volume	92
Issue number	1
DOIs	https://doi.org/10.1088/0370-1328/92/1/306
State	Published - 1967
Externally published	Yes

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10.1088/0370-1328/92/1/306

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title = "The singlet S states of the helium isoelectronic sequence",

abstract = "A matrix method is employed to calculate the energy eigenvalues and the corresponding orbital wave functions for a number of 1S states of the helium isoelectronic sequence. The 'inner' 1s-electron orbital is represented by a hydrogenic wave function, while the valence electron orbital is expanded in a complete set of Laguerre functions. Results are presented for the 1 1S, 2 1S and 3 1S states of He, Li+ and Be2+.",

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N2 - A matrix method is employed to calculate the energy eigenvalues and the corresponding orbital wave functions for a number of 1S states of the helium isoelectronic sequence. The 'inner' 1s-electron orbital is represented by a hydrogenic wave function, while the valence electron orbital is expanded in a complete set of Laguerre functions. Results are presented for the 1 1S, 2 1S and 3 1S states of He, Li+ and Be2+.

AB - A matrix method is employed to calculate the energy eigenvalues and the corresponding orbital wave functions for a number of 1S states of the helium isoelectronic sequence. The 'inner' 1s-electron orbital is represented by a hydrogenic wave function, while the valence electron orbital is expanded in a complete set of Laguerre functions. Results are presented for the 1 1S, 2 1S and 3 1S states of He, Li+ and Be2+.

UR - https://www.scopus.com/pages/publications/0038327959

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The singlet S states of the helium isoelectronic sequence

Abstract

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