Generalized Kohn-Sham Density-Functional Theory via Effective Action Formalism

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dc.creatorValiev, M.
dc.creatorFernando, G. W.
dc.date1997-02-27
dc.date.accessioned2026-07-07T09:11:35Z
dc.date.available2026-07-07T09:11:35Z
dc.descriptionWe present a rigorous formulation of generalized Kohn-Sham density-functional theory. This provides a straightforward Kohn-Sham description of many-body systems based not only on particle-density but also on any other observable. We illustrate the formalism for the case of a particle-density based description of a nonrelativistic many-electron system. We obtain a simple diagrammatic expansion of the exchange-correlation functional in terms of Kohn-Sham single-particle orbitals and energies; develop systematic Kohn-Sham formulation for one-electron propagators and many-body excitation energies. This work is ideally suited for practical applications and provides a rigorous basis for a systematic development of the existing body of first-principles calculations in a controllable fashion.
dc.description21 pages, Revtex, submitted to PRB, short version to be presented at 1997 APS March Meeting (S18.03), further information can be obtained at http://main.phys.uconn.edu/research/cmtheory/marat/
dc.identifierhttps://arxiv.org/abs/cond-mat/9702247
dc.identifierhttp://arxiv.org/abs/cond-mat/9702247
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/151725
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.subjectChemical Physics
dc.titleGeneralized Kohn-Sham Density-Functional Theory via Effective Action Formalism
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