  While DMRG calculations find stripes on doped n-leg t-J ladders, little is
known about the possible formation of stripes on n-leg Hubbard ladders. Here we
report results for a 7x6 Hubbard model with 4 holes. We find that a stripe
forms for values of U/t ranging from 6 to 20. For U/t ~ 3-4, the system
exhibits the domain wall feature of a stripe, but the hole density is very
broadened.
