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

Krzysztof Byczuk,Banhi Chatterjee,Dieter Vollhardt

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

2018

Krzysztof Byczuk
Banhi Chatterjee
Dieter Vollhardt

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.

Keywords:

Fermion
Mathematical physics
zero temperature
Sum rule in quantum mechanics
t matrix
Scattering theory
Dynamical mean field theory
Lattice (order)
Physics

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