Data for: Real-frequency quantum field theory applied to the single-impurity Anderson model
Ge, Anxiang
;
Ritz, Nepomuk
;
Walter, Elias
;
Aguirre, Santiago
;
von Delft, Jan
;
Kugler, Fabian
2023
Dataset
A major challenge in the field of correlated electrons is the computation of dynamical correlation functions. For comparisons with experiment, one is interested in their real-frequency dependence. This is difficult to compute, as imaginary-frequency data from the Matsubara formalism require...
dynamical correlation functions
four-point vertex
single-impurity Anderson model
Keldysh formalism
functional renormalization group
parquet equations
parquet approximation
numerical renormalization group
quantum field theory
correlated electrons
many-body physics
Uploaded on February 15, 2024