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cond-mat.str-el2022
Multi-band D-TRILEX approach to materials with strong electronic correlations
Matteo Vandelli, Josef Kaufmann, Mohammed El-Nabulsi +3
We present the multi-band dual triply irreducible local expansion (D-TRILEX) approach to interacting electronic systems and discuss its numerical implementation. This method is des…
cond-mat.str-el2022★ 17 cited
Extended regime of coexisting metallic and insulating phases in a two-orbital electronic system
M. Vandelli, J. Kaufmann, V. Harkov +3
We investigate the metal-to-insulator phase transition driven by the density-density electronic interaction in the quarter-filled model on a cubic lattice with two orbitals split b…