通过测量定位相对相位
Localization of the relative phase via measurements
摘要：
当两个独立制备的玻色-爱因斯坦凝聚体从各自的阱中释放出来时，重叠云的吸收像呈现干涉图样。本文分析了Javanainen和Yoo（J.Javanainen和S. M. Yoo，Phys. Rev. Lett. 76，161（1996）），他考虑了由在相反方向上传播的平面波描述的两个原子凝聚。我们提出了一个分析参数的测量引起的相对相位对称性的破坏在这个系统中，演示了如何获得本地化后，足够多的检测事件的相位。
英文摘要：
When two independently-prepared Bose-Einstein condensates are released from their corresponding traps, the absorbtion image of the overlapping clouds presents an interference pattern. Here we analyze a model introduced by Javanainen and Yoo (J. Javanainen and S. M. Yoo, Phys. Rev. Lett. 76, 161 (1996)), who considered two atomic condensates described by plane waves propagating in opposite directions. We present an analytical argument for the measurement-induced breaking of the relative phase symmetry in this system, demonstrating how the phase gets localized after a large enough number of detection events.
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