The high-density limit of two-electron systems: Results from the extended Overhauser approach

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dc.creatorGori-Giorgi, Paola
dc.creatorSavin, Andreas
dc.date2007-02-23
dc.date.accessioned2026-07-07T08:14:04Z
dc.date.available2026-07-07T08:14:04Z
dc.descriptionThe ``extended Overhauser model'' [Overhauser, Can. J. Phys. 1995, 73, 683] for the calculation of the spherically and system-averaged pair density (APD) has been recently combined with the Kohn-Sham equations to yield realistic APD and correlation energies. In this work we test this approach in the high-density (weakly-correlated) limit of the He isoelectronic series and of the Hooke's atom isoelectronic series. Unlike many of the commonly used energy functionals, the Overhauser approach yields accurate correlation energies for both series.
dc.descriptionTo appear in J. Chem. Theory and Comput
dc.identifierhttps://arxiv.org/abs/physics/0702204
dc.identifierhttp://arxiv.org/abs/physics/0702204
dc.identifierJ. Chem. Theory Comput. 3, 796 (2007)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/132992
dc.subjectChemical Physics
dc.subjectMaterials Science
dc.subjectAtomic Physics
dc.titleThe high-density limit of two-electron systems: Results from the extended Overhauser approach
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