Quantum many particle systems in ring-shaped optical lattices

Year: 2005

Authors: Amico L., Osterloh A., Cataliotti F.

Autors Affiliation: CRS MATIS-INFM, via S. Sofia 64, 95125 Catania, Italy; Dipartimento di Metodologie Fisiche e Chimiche (DMFCI), Universitá di Catania, viale A. Doria 6, 95125 Catania, Italy; Institut für Theoretische Physik, Universität Hannover, 30167 Hannover, Germany; LNS-INFN Dipartimento di Fisica, Scuola Superiore di Catania, Universitá di Catania, via S. Sofia 64, 95125 Catania, Italy

Abstract: In the present work we demonstrate how to realize a 1D closed optical lattice experimentally, including a tunable boundary phase twist. The latter may induce \”persistent currents,\” visible by studying 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.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 95 (6)      Pages from: 063201  to: 063201

KeyWords: Particle systems; Quantum system; Ring-shaped optical lattices, Crystal lattices; High energy physics; Method of moments; Optical materials, Quantum theory
DOI: 10.1103/PhysRevLett.95.063201

Citations: 204
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