论文标题
在光学晶格中使用自旋轨道耦合费米的可调旋转模型生成
Tunable-spin-model generation with spin-orbit-coupled fermions in optical lattices
论文作者
论文摘要
我们研究了在有效的磁通量的存在下加载到光学晶格中的Ultrocold Fermionic原子的动力学行为，这是由自旋轨道耦合激光驱动引起的。在半填充时，所得系统可以模拟各种标志性的自旋1/2模型，例如Ising模型，XY模型，具有任意各向异性的通用XXZ模型或集体的单轴扭曲模型。这些不同的自旋模型的有效性在通量和驱动强度的参数空间中进行了检查。此外，还有一个参数制度，该系统在长期动力学中表现出手性，持久特征。我们探索这些属性，并讨论系统对称性的作用。我们还讨论实验可行的实现。
We study the dynamical behaviour of ultracold fermionic atoms loaded into an optical lattice under the presence of an effective magnetic flux, induced by spin-orbit coupled laser driving. At half filling, the resulting system can emulate a variety of iconic spin-1/2 models such as an Ising model, an XY model, a generic XXZ model with arbitrary anisotropy, or a collective one-axis twisting model. The validity of these different spin models is examined across the parameter space of flux and driving strength. In addition, there is a parameter regime where the system exhibits chiral, persistent features in the long-time dynamics. We explore these properties and discuss the role played by the system's symmetries. We also discuss experimentally-viable implementations.
