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cond-mat.quant-gas2012★ 5 cited
Complex phases in the doped two-species bosonic Hubbard Model
Kalani Hettiarachchilage, Valéry G. Rousseau, Ka-Ming Tam +2
We study a two-dimensional bosonic Hubbard model with two hard-core species away from half filling using Quantum Monte Carlo simulations. The model includes a repulsive interspecie…
cond-mat.quant-gas2012★ 12 cited
Phase diagram of the Bose-Hubbard model on a ring-shaped lattice with tunable weak links
Kalani Hettiarachchilage, Valéry G. Rousseau, Ka-Ming Tam +2
Motivated by recent experiments on toroidal Bose-Einstein condensates in all-optical traps with tunable weak links, we study the one-dimensional Bose-Hubbard model on a ring-shaped…