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- W2091274657 abstract "On trouve que l'etat lie d'un trou et d'un spin «flip» se forme dans l'etat ferromagnetique du modele de Hubbard a v=∞ en vue et deux dimensions et destabilise l'etat ferromagnetique de Nagaoka, si le saut entre seconds proches voisins augmente l'energie cinetique du trou ajoute. L'etat ferromagnetique est deja instable en une dimension pour un saut entre seconds proches voisins positif quelconque, tandis que en deux dimensions l'instabilite survient pour un saut de seconds proches voisins positif fini, mais tres petit" @default.
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- W2091274657 date "1991-06-01" @default.
- W2091274657 modified "2023-10-18" @default.
- W2091274657 title "Instability of the Nagaoka ferromagnetic state in the Hubbard model with next-nearest-neighbor hopping" @default.
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- W2091274657 doi "https://doi.org/10.1103/physrevb.43.13348" @default.
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