20 citations · 20 across the 2 of their papers we have counts for
2 papers
cond-mat.str-el2013
Green's functions and equations of motion in correlated many body systems
Qingguo Feng
In this paper some new physical notations are given for the Green's functions and equations of motion (EOM) in many body physics with the concept of quasiparticles. It shows how th…
cond-mat.str-el2009★ 20 cited
A fast impurity solver based on equations of motion and decoupling
Qingguo Feng, Yuzhong Zhang, Harald O. Jeschke
In this paper a fast impurity solver is proposed for dynamical mean field theory (DMFT) based on a decoupling of the equations of motion for the impurity Greens function. The resul…