Local density approximation for long-range or for short-range energy functionals?

Details Local density approximation for long-range or for short-range energy functionals? Local density approximation for long-range or for short-range energy functionals?

2006-05-02

arxiv.org/abs/physics/0605024v1

J. Mol. Struct. (Theochem) 762, 147 (2006)

Physics

Chemical Physics

4 pages, 2 figures, to appear in J. Mol. Struct. (Theochem)

Scientific paper

Density functional methods were developed, in which the Coulomb electron-electron interaction is split into a long- and a short-range part. In such methods, one term is calculated using traditional density functional approximations, like the local density approximation. The present paper tries to shed some light upon the best way to do it by comparing the accuracy of the local density approximation with accurate results for the He atom.

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