Type Materials Frequency 4 Aliases Bilayer two-orbital Hubbard model Related papers Emergence of Kugel-Khomskii physics in quarter-filled bilayer correlated systems The evolution of pairing correlation with 3d_z2 electron filling in a bilayer two-orbital model for La3Ni2O7 Interlayer pairing mechanism for bilayer nickelate superconductors Weak coupling theory of nickel-based 327 superconductors