Spin-Orbit Driven Transitions Between Mott Insulators and Finite Momentum Superfluids of Bosons in Optical Lattices. Qian, Y., Gong, M., Scarola, V., W., & Zhang, C. *ArXiv:1312.4011*, 2013. Website abstract bibtex Synthetic spin-orbit coupling in ultracold atomic gases can be taken to extremes rarely found in solids. We study a two dimensional Hubbard model of bosons in an optical lattice in the presence of spin-orbit coupling strong enough to drive direct transitions from Mott insulators to superfluids. Here we find phase-modulated superfluids with finite momentum that are generated entirely by spin-orbit coupling. Transitions between different superfluids are also found to be first-order. We investigate the rich periodic structure of the phases of the superfluids, which may be directly probed using time-of-flight imaging of the spin-dependent momentum distribution.

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title = {Spin-Orbit Driven Transitions Between Mott Insulators and Finite Momentum Superfluids of Bosons in Optical Lattices},
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abstract = {Synthetic spin-orbit coupling in ultracold atomic gases can be taken to extremes rarely found in solids. We study a two dimensional Hubbard model of bosons in an optical lattice in the presence of spin-orbit coupling strong enough to drive direct transitions from Mott insulators to superfluids. Here we find phase-modulated superfluids with finite momentum that are generated entirely by spin-orbit coupling. Transitions between different superfluids are also found to be first-order. We investigate the rich periodic structure of the phases of the superfluids, which may be directly probed using time-of-flight imaging of the spin-dependent momentum distribution.},
bibtype = {article},
author = {Qian, Yinyin and Gong, Ming and Scarola, Vito W. and Zhang, Chuanwei},
journal = {ArXiv:1312.4011}
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