Pairing on striped t-t(')-J lattices

Results are given from a density-matrix renormalization-group study of pairing on a striped t-t(')-J lattice in the presence of boundary magnetic and pair fields. We find that pairing on a stripe depends sensitively on both J/t and t(')/t. In the strong-pairing model-parameter regime, the stripes are easily coupled by the pair field and have a uniform phase. There is a small but measurable energy cost to create antiphase superconducting domain walls.