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Regensburg 2022 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 34: Correlated Electrons: Theory 2

TT 34.8: Talk

Thursday, September 8, 2022, 17:00–17:15, H23

Magnetism and Mottness in the anisotropic triangular lattice Hubbard model: a cellular dynamical mean-field study — •Marcel Klett1, Henri Menke2, Michel Ferrero3, Antoine Georges3, and Thomas Schäfer11Max Planck Institute for Solid State Research, Stuttgart, Germany — 2University of Erlangen-Nuremberg, Erlangen, Germany — 3College de France, Paris, France

We investigate the phase diagram of the anisotropic triangular lattice Hubbard model in a center-focused cellular dynamical mean-field theory (CDMFT) approach using an impurity with 7 sites. We investigate the Mott metal-to-insulator transition and crossover region as well as the superconducting phase. Using a spin symmetry-broken approach of the CDMFT, allowing for a rotations of spins on the Bloch sphere, we are able to investigate the magnetic ordering of the different cluster schemes.

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