Unbiased Hartree-Fock and exact diagonalization find altermagnetic Mott insulating and metallic phases in the Lieb lattice Hubbard model with interactions only on the transition-metal sublattices.
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Altermagnetism in modified Lieb lattice Hubbard model
Unbiased Hartree-Fock and exact diagonalization find altermagnetic Mott insulating and metallic phases in the Lieb lattice Hubbard model with interactions only on the transition-metal sublattices.