动态控制的环形和环形磁阱
Dynamically controlled toroidal and ring-shaped magnetic traps
摘要：
我们提出的陷阱与环形$(T^{2})$和环形拓扑结构，基于绝热势的射频修饰塞曼态在环形磁四极场。射频场的简单调整为动态参数调整、拓扑变化和受控电位扰动提供了多种可能性。我们展示了如何诱导环向和极向旋转，并证明了制备具有降维和周期性边界条件的简并量子气体的可行性。这种高水平的动力学甚至态相关控制对原子干涉测量是有用的。
英文摘要：
We present traps with toroidal $(T^{2})$ and ring-shaped topologies, based on adiabatic potentials for radio-frequency dressed Zeeman states in a ring-shaped magnetic quadrupole field. Simple adjustment of the radio-frequency fields provides versatile possibilities for dynamical parameter tuning, topology change, and controlled potential perturbation. We show how to induce toroidal and poloidal rotations, and demonstrate the feasibility of preparing degenerate quantum gases with reduced dimensionality and periodic boundary conditions. The great level of dynamical and even state dependent control is useful for atom interferometry.
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