FLEX+DMFT approach to the $d$-wave superconducting phase diagram of the two-dimensional Hubbard model

Motoharu Kitatani, Naoto Tsuji, Hideo Aoki

The dynamical mean-field theory (DMFT) combined with the fluctuation exchange (FLEX) method, namely FLEX+DMFT, is an approach for correlated electron systems to incorporate both lo…