Cold atoms in U(3) gauge potentials
arXiv:1603.08526 · doi:10.3390/condmat1010002
Abstract
We explore the effects of artificial gauge potentials on ultracold atoms. We study background gauge fields with both non-constant and constant Wilson loops around plaquettes, obtaining the energy spectra in each case. The scenario of metal-insulator transition for irrational fluxes is also examined. Finally, we discuss the effect of such a gauge potential on the superfluid-insulator transition for bosonic ultracold atoms.
minor typos corrected; journal version
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