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T-matrix formulation of real-space dynamical mean-field theory and the Friedel sum rule for correlated lattice fermions
Published 23 Jul 2018 in cond-mat.str-el | (1807.08559v2)
Abstract: We formulate real-space dynamical mean-field theory within scattering theory. Thereby the Friedel sum rule is derived for interacting lattice fermions at zero temperature.
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