磁储存环中原子的几何相位
Geometric phase of an atom in a magnetic storage ring
摘要：
由于磁场方向的变化，磁囚禁原子经历绝热几何（Berry）相位。我们从理论上研究了在最近的几个实验中证明的储存环内的原子轨道运动的Aharonov-Bohm几何相位。我们的研究结果表明，这种相移是很容易观察到的闭环干扰实验，因此，在建议的惯性传感应用程序的移位已占。通过数值模拟对原子横向分布引起的相移展宽进行了量化。
英文摘要：
A magnetically trapped atom experiences an adiabatic geometric (Berry's) phase due to changing field direction. We investigate theoretically such an Aharonov-Bohm-like geometric phase for atoms adiabatically moving inside a storage ring as demonstrated in several recent experiments. Our result shows that this phase shift is easily observable in a closed loop interference experiment, and thus the shift has to be accounted for in the proposed inertial sensing applications. The spread in phase shift due to the atom transverse distribution is quantified through numerical simulations.
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