Study of Modulational Instability in Bose-Einstein Condensates with Spin-Orbit Coupling in Staggered Mode
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We study the modulational instability of two-component discrete Bose-Einstein condensates with inter-site spin-orbit coupling in staggered mode. By performing linear stability analysis, we derive new modulational instability conditions and discuss in detail the effect of the inter-site spin-orbit coupling, as well as inter- and intra-component interactions in the staggered mode. The present results, with the analytical predictions, are shown to differ significantly from previous analyses, in the case of intra-site spin-orbit coupled Bose-Einstein condensates.
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Deep optical lattice, Discrete media, Gross-Pitaevskii equation, Linear stability analysis, Two-component
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Inglês
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Springer Proceedings in Physics, v. 405, p. 233-245.
