利用光学动力学控制提高玻色-爱因斯坦凝聚体干涉仪的相干时间
Increasing the coherence time of Bose-Einstein-condensate interferometers with optical control of dynamics
摘要：
使用限制在波导中并由光脉冲操纵的玻色-爱因斯坦凝聚体的原子干涉仪受到其短相干时间的限制。我们提出了一个理论模型，提供了一个物理上简单的解释对比度的损失，并提出了增加条纹对比度的方法，在不同的时间重组的原子。一个简单的，定量准确，分析表达式的优化复合时间，并用于放置限制的物理参数，可以恢复对比度。
英文摘要：
Atom interferometers using Bose-Einstein condensate that is confined in a waveguide and manipulated by optical pulses have been limited by their short coherence times. We present a theoretical model that offers a physically simple explanation for the loss of contrast and propose the method for increasing the fringe contrast by recombining the atoms at a different time. A simple, quantitatively accurate, analytical expression for the optimized recombination time is presented and used to place limits on the physical parameters for which the contrast may be recovered.
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