标题： 暗光晶格中朗道能级结构的出现 显示英文标题

标题： Emergence of a Landau level structure in dark optical lattices

摘要： 一种光学通量晶格是一组耦合原子不同内部状态的光束，从而产生拓扑能带。 在这里，我们提出一种配置，在这种配置中，原子表现出一种暗态，即不与光耦合的内部状态。 在高光强下，低能动力学被限制在暗态，导致一个类似于朗道能级结构的有效连续模型。 这种结构与通常拓扑光学晶格的结构有显著不同，后者在紧束缚极限下导致离散模型。 对于适当选择的原子种类，由于光子散射引起的加热，该系统基本上免疫，使其成为模拟整数或分数量子霍尔效应的一种极具前景的方法。 显示英文摘要

摘要： An optical flux lattice is a set of light beams that couple different internal states of an atom, thereby producing topological energy bands. Here we present a configuration in which the atoms exhibit a dark state, i.e. an internal state that is not coupled to the light. At large light intensity, the low-energy dynamics is restricted to the dark state, leading to an effective continuum model with a Landau-level-like structure. This structure is dramatically different from that of usual topological optical lattices, which lead to discrete models in the tight-binding limit. For well-chosen atomic species, the proposed system is essentially immune to heating due to photon scattering, making it a highly promising way to emulate the integer or fractional quantum Hall effect.