Density functionals for the Yukawa electron-electron interaction

mShort-range nonclassical electron-electron interaction is described by a density functional in a scheme that allows multideterminant wave functions. The parameter that determines the coupling with the configuration-interaction-type calculations can be chosen in a controlled manner. Results are presented for the He and the Be series using a Yukawa-type interaction. 0 1995 John Wiley & Sons, Inc.

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