Multicomponent Density-Functional Theory for Electrons and Nuclei

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dc.creatorKreibich, Thomas
dc.creatorvan Leeuwen, Robert
dc.creatorGross, E. K. U.
dc.date2006-09-27
dc.date.accessioned2026-07-07T07:23:43Z
dc.date.available2026-07-07T07:23:43Z
dc.descriptionWe present a general multi-component density functional theory in which electrons and nuclei are treated completely quantum mechanically, without the use of a Born-Oppenheimer approximation. The two fundamental quantities in terms of which our theory is formulated are the nuclear N-body density and the electron density expressed in coordinates referring to the nuclear framework. For these two densities coupled Kohn-Sham equations are derived and the electron-nuclear correlation functional is analyzed in detail. The formalism is tested on the hydrogen molecule $H_2$ and its positive ion $H_2^+$ using several approximations for the electron-nuclear correlation functional.
dc.description23 pages, 9 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0609697
dc.identifierhttp://arxiv.org/abs/cond-mat/0609697
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/116088
dc.subjectMaterials Science
dc.titleMulticomponent Density-Functional Theory for Electrons and Nuclei
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