Strong-coupling diagram technique applied to 3D Hubbard model yields paramagnetic-antiferromagnetic boundary for 4t to 12t, Mott transition near 9t, and doping-dependent Néel temperature with a plateau at strong coupling.
Hirsch, Phys
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Three-dimensional repulsive Hubbard model
Strong-coupling diagram technique applied to 3D Hubbard model yields paramagnetic-antiferromagnetic boundary for 4t to 12t, Mott transition near 9t, and doping-dependent Néel temperature with a plateau at strong coupling.