Dynamical Mean Field Theory and Electronic Structure Calculations

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dc.creatorChitra, R.
dc.creatorKotliar, G.
dc.date1999-11-04
dc.date.accessioned2026-07-07T12:37:44Z
dc.date.available2026-07-07T12:37:44Z
dc.descriptionWe formulate the dynamical mean field theory directly in the continuum. For a given definition of the local Green's function, we show the existence of a unique functional, whose stationary point gives the physical local Green's function of the solid. We present the diagrammatic rules to calculate it perturbatively in the interaction. Inspired by the success of dynamical mean field calculations for model Hamiltonian systems, we present approximations to the exact saddle point equations which may be used in the strong coupling regime, by using mappings onto generalized quantum impurity models.
dc.description10 pages
dc.identifierhttps://arxiv.org/abs/cond-mat/9911056
dc.identifierhttp://arxiv.org/abs/cond-mat/9911056
dc.identifierPhys.Rev.B62:12715-12723,2000
dc.identifierdoi:10.1103/PhysRevB.62.12715
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/218540
dc.subjectStrongly Correlated Electrons
dc.titleDynamical Mean Field Theory and Electronic Structure Calculations
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