回波光谱学与原子光学台球
Echo spectroscopy and Atom Optics Billiards
摘要：
我们讨论了一种最近证明的被困超冷原子的微波光谱学类型，称为“回波光谱学”[M. F.安德森等例如，物理学评论快报，出版（2002年）]。回波光谱可以作为一个非常敏感的实验工具，研究量子动力学的囚禁原子，即使在大量的状态是热填充。我们给出了Bunimovich型原子光学台球本征态稳定性的数值结果，并讨论了它在不同类型微扰下的行为。最后，我们建议使用特殊的几何结构，使失相自由偶极子陷阱。
英文摘要：
We discuss a recently demonstrated type of microwave spectroscopy of trapped ultra-cold atoms known as "echo spectroscopy" [M.F. Andersen et. al., Phys. Rev. Lett., in press (2002)]. Echo spectroscopy can serve as an extremely sensitive experimental tool for investigating quantum dynamics of trapped atoms even when a large number of states are thermally populated. We show numerical results for the stability of eigenstates of an atom-optics billiard of the Bunimovich type, and discuss its behavior under different types of perturbations. Finally, we propose to use special geometrical constructions to make a dephasing free dipole trap.
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