Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2008-10-02
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, 5 figs
Scientific paper
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 anti-phase superconducting domain walls.
Scalapino Douglas J.
White Steven R.
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