Layered Kitaev-Ising spin-orbital models map to N-flavor Hubbard models with emergent SU(N) symmetry; mean-field for N=3 yields intertwined orders and spin fragmentation with liquid orbitals.
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Asymptotic quantum many-body scars in SU(N) Hubbard chains are realized explicitly as gapless magnons of an embedded SU(N) ferromagnetic Heisenberg parent Hamiltonian.
In the 3D Hofstadter-Hubbard model, superconductivity occurs for arbitrarily weak attraction below the critical flux for Weyl points with BCS-like gap scaling, but requires finite interaction strength above it.
citing papers explorer
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Fractionalization, emergent SU($N$) symmetries, and fragmentation in layered quantum spin-orbital models
Layered Kitaev-Ising spin-orbital models map to N-flavor Hubbard models with emergent SU(N) symmetry; mean-field for N=3 yields intertwined orders and spin fragmentation with liquid orbitals.
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Construction of asymptotic quantum many-body scar states in the SU($N$) Hubbard model
Asymptotic quantum many-body scars in SU(N) Hubbard chains are realized explicitly as gapless magnons of an embedded SU(N) ferromagnetic Heisenberg parent Hamiltonian.
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Superconducting properties of the three-dimensional Hofstadter-Hubbard model below the critical flux for Weyl points
In the 3D Hofstadter-Hubbard model, superconductivity occurs for arbitrarily weak attraction below the critical flux for Weyl points with BCS-like gap scaling, but requires finite interaction strength above it.