论文标题
拓扑安德森阶段中的准周期波导晶格
Topological Anderson phase in quasi-periodic waveguide lattices
论文作者
论文摘要
晶格的拓扑琐碎带可以通过系统中的无序驱动到拓扑阶段。对于不相关的静态疾病，已经预测并观察到了这种所谓的拓扑阶段，而在存在相关性疾病矛盾的结果的情况下。在这里，我们考虑在微不足道的拓扑阶段使用Su-Schrieffer-Heeger（SSH）波导晶格，并表明耦合常数中的准周期疾病可以将晶格推向拓扑阶段。建议一种基于准周期波导晶格边缘的光动力学检测拓扑阶段出现的方法。
The topological trivial band of a lattice can be driven into a topological phase by disorder in the system. This so-called topological Anderson phase has been predicted and observed for uncorrelated static disorder, while in the presence of correlated disorder conflicting results are found. Here we consider a Su-Schrieffer-Heeger (SSH) waveguide lattice in the trivial topological phase, and show that quasi-periodic disorder in the coupling constants can drive the lattice into a topological non-trivial phase. A method to detect the emergence of the topological Anderson phase, based on light dynamics at the edge of a quasi-periodic waveguide lattice, is suggested.
