T-matrix formulation of real-space dynamical mean-field theory and the Friedel sum rule for correlated lattice fermions
arXiv:1807.08559 · doi:10.1140/epjb/e2018-90583-8
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.
arXiv comment7 pages, no figures, extended and corrected version
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