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cond-mat.str-el2005★ 3 cited
Mesoscopic BCS pairing in the repulsive 1d-Hubbard model
Luigi Amico, Andrea Mastellone, Andreas Osterloh
We study mesoscopic pairing in the one dimensional repulsive Hubbard model and its interplay with the BCS model in the canonical ensemble. The key tool is comparing the Bethe ansat…
cond-mat.other2005★ 252 cited
Quantum many particle systems in ring-shaped optical lattices
Luigi Amico, Andreas Osterloh, Francesco Cataliotti
In the present work we demonstrate how to realize 1d-optical closed lattice experimentally, including a {\it tunable} boundary phase-twist. The latter may induce ``persistent curre…