Phys. Rev. A 15, 16–22 (1977)

Compact and accurate integral-transform wave functions. II. The 2¹S, 2³S, 2¹P, and 2³P states of the helium-like ions from He through Mg¹⁰⁺

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Ajit J. Thakkar^* and Vedene H. Smith, Jr.^†
Department of Chemistry, Queen's University, Kingston, Ontario K7L 3N6, Canada and Lehrstuhl für Theoretische Chemie, Technische Universität, München, Federal Republic of Germany

Received 6 May 1976; published in the issue dated January 1977

The method of the preceding paper is used to construct compact and accurate integral-transform wave functions for the four lowest excited states of the helium-like ions. Convergence studies of the energy and various expectation values are presented for the 2¹S, and 2³S, states of the helium atom. Parallelotope parameters and energies are given for the 2¹S, 2³S, 2¹P, and 2³P states of the ions from He through Mg¹⁰⁺. A brief discussion of the prospects for extending the method to many-electron systems is included.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.15.16

DOI:

10.1103/PhysRevA.15.16

^*National Research Council of Canada postgraduate scholar.

^†Permanent address.

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Phys. Rev. A 15, 16–22 (1977)

Compact and accurate integral-transform wave functions. II. The 21S, 23S, 21P, and 23P states of the helium-like ions from He through Mg10+

Compact and accurate integral-transform wave functions. II. The 2¹S, 2³S, 2¹P, and 2³P states of the helium-like ions from He through Mg¹⁰⁺