T-matrix formulation of real-space dynamical mean-field theory and the Friedel sum rule for correlated lattice fermions
K. ByczukB. ChatterjeeD. Vollhardt
所有作者
K. ByczukB. ChatterjeeD. Vollhardt
文献摘要
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.