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cond-mat.other2008★ 23 cited
Hidden order in bosonic gases confined in one dimensional optical lattices
L. Amico, G. Mazzarella, S. Pasini +1
We analyze the effective Hamiltonian arising from a suitable power series expansion of the overlap integrals of Wannier functions for confined bosonic atoms in a 1d optical lattice…
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…