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首页> 外文期刊>Physical Review, A. Atomic, molecular, and optical physics >Accurate control of a Bose-Einstein condensate by managing the atomic interaction
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Accurate control of a Bose-Einstein condensate by managing the atomic interaction

机译:通过管理原子相互作用来精确控制玻色-爱因斯坦凝聚物

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摘要

We exploit the variation of the atomic interaction in order to move ultracold atoms with attractive interaction across an ac-driven periodic lattice. By breaking relevant symmetries, a gathering of atoms is achieved. Accurate control of the gathered atoms positions can be demonstrated via the control of the atomic localization process.The localization process is analyzed with the help of the nonlinear Floquet states where the Landau-Zener tunneling between states is observed and controlled. Transport effects in the presence of disorder are discussed.
机译:我们利用原子相互作用的变化来移动具有吸引作用的超冷原子穿过一个交流驱动的周期性晶格。通过打破相关的对称性,实现了原子的聚集。可以通过控制原子定位过程来证明对聚集原子位置的精确控制。借助于非线性Floquet状态对定位过程进行了分析,其中观察并控制了状态之间的Landau-Zener隧穿。讨论了存在障碍时的运输效应。

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