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cond-mat.str-el2026
Variational Monte Carlo for the Hubbard model
Luca F. Tocchio
In these lecture notes, we introduce the variational Monte Carlo method for the Hubbard model. First, we briefly introduce the single-orbital Hubbard model and its multi-orbital ex…
cond-mat.str-el2026
Influence of the inter-orbital interaction and kinetic terms on superconductivity: a simple two-orbital Hubbard model
Vito Marino, Diego Florez-Ablan, Luca F. Tocchio +2
We investigate a minimal two-orbital Hubbard model with intra- and inter-orbital nearest-neighbor hopping and , as well as intra- and inter-orbital density-density i…
cond-mat.str-el2026
Variational Monte Carlo study of a two-orbital Hubbard model for the iron pnictides
Vito Marino, Gabriele Gatti, Massimo Capone +1
We study a two-orbital Hubbard-Kanamori model, which has been originally proposed for iron-based superconductors, using variational Monte Carlo. We span the nonmagnetic sector at b…