Partial suppression of magnetism in the square lattice SU(3) Hubbard model
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Date
2025-10-15
Publication Type
Journal Article
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yes
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Abstract
The SU(N) Hubbard model is a natural extension of the SU(2) model. However, even the N = 3 case remains poorly understood. We report a ground-state phase diagram of the square lattice SU(3) Fermi-Hubbard model. Using a backflow Ansatz, we identify strong signatures of a Mott transition and a subsequent magnetic transition, and the suppression of a previously predicted magnetic phase. We study the hole-doped model, identifying a transition from magnetic to paramagnetic behavior in the strong-coupling regime. Our findings offer a different ground-state picture. More broadly, our work suggests a path to study general SU(N) Hubbard models with arbitrary filling and geometry.
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published
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Journal / series
Volume
112 (16)
Pages / Article No.
Publisher
American Physical Society