Designing topological interface states in phononic crystals based on the full phase diagrams

28 Apr 2018 Meng Yan Wu Xiaoxiao Zhang Ruo-Yang Li Xin Hu Peng Ge Lixin Huang Yingzhou Xiang Hong Han Dezhuan Wang Shuxia Wen Weijia

The topological invariants of a periodic system can be used to define the topological phase of each band and determine the existence of topological interface states within a certain bandgap. Here, we propose a scheme based on the full phase diagrams, and design the topological interface states within any specified bandgaps... (read more)

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  • APPLIED PHYSICS
  • MESOSCALE AND NANOSCALE PHYSICS