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arXiv 0705.0923cond-mat.other
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利用布拉格相互作用精确操纵玻色-爱因斯坦凝聚体

Precise manipulation of a Bose-Einstein condensate using Bragg interactions

K. J. Hughes, B. Deissler, J. H. T. Burke, C. A. Sackett

摘要:

研究了利用非共振驻波场对超冷原子的操纵。已有的工作表明,光脉冲可以为原子波包提供有效的分束和反射操作。这些操作的性能的特点是实验上使用玻色-爱因斯坦凝聚体限制在弱磁阱。在最佳条件下,观察到高达0.99的光束分裂和0.98的反射的结晶度,和分裂操作高达三阶实现。的依赖性的光强度和原子速度的操作进行测量,发现同意与理论估计。

英文摘要:

The use of off-resonant standing light waves to manipulate ultracold atoms is investigated. Previous work has illustrated that optical pulses can provide efficient beam-splitting and reflection operations for atomic wave packets. The performance of these operations is characterized experimentally using Bose-Einstein condensates confined in a weak magnetic trap. Under optimum conditions, fidelities of up to 0.99 for beam splitting and 0.98 for reflection are observed, and splitting operations of up to third order are achieved. The dependence of the operations on light intensity and atomic velocity is measured and found to agree well with theoretical estimates.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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