Superconductivity in the doped Hubbard model and its interplay with next-nearest hopping <i>t</i> ′
Superconductivity in the doped Hubbard model and its interplay with next-nearest hopping <i>t</i> ′
We report a large-scale density-matrix renormalization group study of the lightly doped Hubbard model on 4-leg cylinders at hole doping concentration $δ=12.5\%$. By keeping a large number of states for long system sizes, we are able to reveal a delicate interplay between superconductivity and charge and spin density wave orders …