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- W2034273756 abstract "Two simple analytic expressions are presented, both of which are excellent approximations to a Hartree-Fock $1s$ wave function in a $1{s}^{2}$ configuration. One of these expressions is a two-parameter function and the other a three-parameter one. The parameters were chosen variationally and their values are given for the various members of the isoelectronic sequence from ${mathrm{H}}^{ensuremath{-}}$ to C v. The energies were also computed, and the energies and the wave functions are compared with the corresponding Hartree-Fock quantities where the latter are known. Both the two- and the three-parameter functions approximate the numerical functions closely and give energies as low, or almost as low, as the more reliable of the Hartree-Fock energies. The three-parameter wave function proves to be the better, particularly in the case of ${mathrm{H}}^{ensuremath{-}}$. Some comments are made on the existing numerical functions and their energies." @default.
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- W2034273756 date "1954-02-15" @default.
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- W2034273756 title "A Discussion of Analytic and Hartree-Fock Wave Functions for<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mn>1</mml:mn><mml:mrow><mml:msup><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>Configurations from<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant=normal>H</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></…" @default.
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- W2034273756 doi "https://doi.org/10.1103/physrev.93.757" @default.
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