Ferromagnetism in \(d\)-dimensional SU(\(n\)) Hubbard models with nearly flat bands

We present rigorous results for the SU(\(n\)) Fermi-Hubbard models with finite-range hopping in \(d\) (\(\ge 2\)) dimensions. The models are defined on a class of decorated lattices. We first study the models with flat bands at the bottom of the single-particle spectrum and prove that the ground sta...

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Veröffentlicht in:	arXiv.org 2022-07
Hauptverfasser:	Tamura, Kensuke, Katsura, Hosho
Format:	Artikel
Sprache:	eng
Schlagworte:	Ferromagnetism Ground state Lattices
Online-Zugang:	Volltext
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