Quantum many particle systems in ring-shaped optical lattices
Abstract
In the present work we demonstrate how to realize 1d-optical closed lattice experimentally, including a tunable boundary phase-twist. The latter may induce ``persistent currents'', visible by studing the atoms' momentum distribution. We show how important phenomena in 1d-physics can be studied by physical realization of systems of trapped atoms in ring-shaped optical lattices. A mixture of bosonic and/or fermionic atoms can be loaded into the lattice, realizing a generic quantum system of many interacting particles.
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