原子与辐射压力驱动干涉仪的耦合动力学
Coupled dynamics of atoms and radiation pressure driven interferometers
摘要：
研究了原子被囚禁在腔中的驻波模中的端面镜的运动。原子和光场彼此强烈耦合，因为原子形成反射率可以相当高的分布式布拉格镜。我们分析了原子移动的偶极势如何由于原子的反作用而被修改。我们证明了原子的位置可以变成π。这些结果具有更一般的性质，可以应用于任何情况下，原子被困在一个光晶格内的一个腔，其中的原子对光场的反作用不能忽略。我们分析了绝热极限下耦合系统的动力学，在绝热极限下，光场瞬时地调整到原子和光场的位置，并且原子的移动速度比镜子快得多。我们计算了光通过腔的边带谱，并表明这些谱可以用来探测原子与镜的耦合运动。
英文摘要：
We consider the motion of the end mirror of a cavity in whose standing wave mode pattern atoms are trapped. The atoms and the light field strongly couple to each other because the atoms form a distributed Bragg mirror with a reflectivity that can be fairly high. We analyze how the dipole potential in which the atoms move is modified due to this backaction of the atoms. We show that the position of the atoms can become bistable. These results are of a more general nature and can be applied to any situation where atoms are trapped in an optical lattice inside a cavity and where the backaction of the atoms on the light field cannot be neglected. We analyze the dynamics of the coupled system in the adiabatic limit where the light field adjusts to the position of the atoms and the light field instantaneously and where the atoms move much faster than the mirror. We calculate the side band spectrum of the light transmitted through the cavity and show that these spectra can be used to detect the coupled motion of the atoms and the mirror.
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