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- W2890936137 abstract "We consider a system of weakly interacting bosons confined on a planar double ring lattice subjected to two artificial gauge fields. We determine its ground state by solving coupled discrete nonlinear Schrodinger equations at mean-field level. At varying inter-ring tunnel coupling, flux, and interactions, we identify the vortex, Meissner, and biased-ladder phases also predicted for a bosonic linear ladder by a variational ansatz. We also find peculiar features associated to the ring geometry, in particular parity effects in the number of vortices, and the appearance of a single vortex in the Meissner phase. We show that the persistent currents on the rings carry precise information on the various phases. Finally, we propose a way of observing the Meissner and vortex phases via spiral interferogram techniques." @default.
- W2890936137 created "2018-09-27" @default.
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- W2890936137 date "2018-11-26" @default.
- W2890936137 modified "2023-10-18" @default.
- W2890936137 title "Bosonic double ring lattice under artificial gauge fields" @default.
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- W2890936137 doi "https://doi.org/10.1103/physreva.98.053626" @default.
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