Abstract
The finite temperature phase diagram of the Hubbard model ind=2 andd=3 is calculated for arbitrary values of the parameterU/t and chemical potential η using a quantum real space renormalization group. Evidence for a ferromagnetic phase at low temperatures is presented.
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Cannas, S.A., Tsallis, C. Phase diagram of the Hubbard model with arbitrary band filling. Z. Physik B - Condensed Matter 89, 195–198 (1992). https://doi.org/10.1007/BF01320936
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DOI: https://doi.org/10.1007/BF01320936