Kinetic obstruction to pairing in the doped Kitaev-Heisenberg ladder

Bradraj Pandey, Bo Xiao, Satoshi Okamoto +4

We investigate the hole-doped Kitaev-Heisenberg ($t$-$J$-$K$) model on a two-leg ladder geometry using the density-matrix renormalization group (DMRG). We first consider the behavi…