里德伯聚集体
Rydberg Aggregates
摘要：
我们回顾里德伯聚集体，组装的几个里德伯原子表现出通过集体本征态的能量传输，考虑孤立的原子或组装嵌入云的冷基态原子。我们对里德伯聚集体进行分类，并概述了它们作为化学或生物物理现象的量子模拟器的可能应用。我们的主要重点是灵活的里德伯聚集体，其中原子运动是一个基本特征。在这些，同时控制里德伯-里德伯相互作用，外部捕获和电子能量，允许Born-Oppenheimer表面的运动的整个聚集体被泰勒所需的。这是说明与理论建议对联合运动和激发运输，圆锥形交叉点和非绝热效应的演示。量子模拟的额外灵活性通过使用修饰的偶极-偶极相互作用或将聚集体嵌入冷气体或BEC环境中来实现。最后，我们提供了一些指导的参数制度，最适合实现静态或灵活的里德堡聚集体的基础上，锂或Rb原子。目前的状态，使里德堡聚集体的实验进展也进行了审查。
英文摘要：
We review Rydberg aggregates, assemblies of a few Rydberg atoms exhibiting energy transport through collective eigenstates, considering isolated atoms or assemblies embedded within clouds of cold ground-state atoms. We classify Rydberg aggregates, and provide an overview of their possible applications as quantum simulators for phenomena from chemical or biological physics. Our main focus is on flexible Rydberg aggregates, in which atomic motion is an essential feature. In these, simultaneous control over Rydberg-Rydberg interactions, external trapping and electronic energies, allows Born-Oppenheimer surfaces for the motion of the entire aggregate to be taylored as desired. This is illustrated with theory proposals towards the demonstration of joint motion and excitation transport, conical intersections and non-adiabatic effects. Additional flexibility for quantum simulations is enabled by the use of dressed dipole-dipole interactions or the embedding of the aggregate in a cold gas or BEC environment. Finally we provide some guidance regarding the parameter regimes that are most suitable for the realization of either static or flexible Rydberg aggregates based on Li or Rb atoms. The current status of experimental progress towards enabling Rydberg aggregates is also reviewed.
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