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Finite-temperature fluid-insulator transition of strongly interacting 1D disordered bosons

机译:强相互作用一维无序玻色子的有限温度流体-绝缘体跃迁

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摘要

We consider the many-body localization-delocalization transition for strongly interacting one-dimensional disordered bosons and construct the full picture of finite temperature behavior of this system. This picture shows two insulator-fluid transitions at any finite temperature when varying the interaction strength. At weak interactions, an increase in the interaction strength leads to insulator. fluid transition, and, for large interactions, there is a reentrance to the insulator regime. It is feasible to experimentally verify these predictions by tuning the interaction strength with the use of Feshbach or confinement-induced resonances, for example, in Li-7 or K-39.
机译:我们考虑了强相互作用的一维无序玻色子的多体定位-离域转变,并构建了该系统有限温度行为的全貌。这张图显示了在改变相互作用强度时,任何有限温度下的两次绝缘体-流体转变。在弱相互作用时,相互作用强度的增加会导致绝缘体。流体转变,并且对于大相互作用,会重新进入绝缘体状态。通过使用 Feshbach 或约束诱导共振(例如,在 Li-7 或 K-39 中)调整相互作用强度来实验验证这些预测是可行的。

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