原子干涉测量中的He-McKellar-Wilkens拓扑相位
He-McKellar-Wilkens topological phase in atom interferometry
摘要：
我们报告的第一个实验测试的拓扑相预测的He和McKellar和Wilkens在1993年：这个阶段，这出现时，一个电偶极子在磁场中传播，连接到Aharonov-Casher效应的电磁对偶性。He-McKellar-Wilkens相位非常小，在我们的实验中最多为27 mrad，并且该实验需要具有空间分离臂的原子干涉仪的高相位灵敏度以及对称反转，例如电场和磁场的方向。He-McKellar-Wilkens相位的测量值与其理论值相差31%，这种差异可能是由于一些尚未控制的系统误差造成的。
英文摘要：
We report the first experimental test of the topological phase predicted by He and McKellar and by Wilkens in 1993: this phase, which appears when an electric dipole propagates in a magnetic field, is connected to the Aharonov-Casher effect by electric-magnetic duality. The He-McKellar-Wilkens phase is quite small, at most 27 mrad in our experiment, and this experiment requires the high phase sensitivity of our atom interferometer with spatially separated arms as well as symmetry reversals such as the direction of the electric and magnetic fields. The measured value of the He-McKellar-Wilkens phase differs by 31% from its theoretical value, a difference possibly due to some as yet uncontrolled systematic errors.
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