T-matrix formulation of real-space dynamical mean-field theory and the Friedel sum rule for correlated lattice fermions

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. Graphical abstract

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Bibliographic Details
Published in:The European physical journal. B, Condensed matter physics Condensed matter physics, 2019-02, Vol.92 (2), p.1-7, Article 23
Main Authors: Byczuk, Krzysztof, Chatterjee, Banhi, Vollhardt, Dieter
Format: Article
Language:English
Subjects:
Atmospheric physics
Complex Systems
Condensed Matter Physics
Electrons
Fermions
Fluid- and Aerodynamics
Mean field theory
Physics
Physics and Astronomy
Regular Article
Solid State Physics
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Summary: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. Graphical abstract
ISSN:1434-6028
1434-6036
DOI:10.1140/epjb/e2018-90583-8