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Manipulation of acoustic vortex with topological dislocation states

  • 发布时间:2022-05-30
  • 点击次数:
  • 发表刊物:Applied Physics Letters
  • 摘要:Higher-order topological insulators as an exotic type of topological phases harboring fascinating topological corner or hinge states have attracted extensive attention recently. Dislocations are crystallinity-breaking defects in lattices that cannot be removed by local deformations due to nontrivial real-space topology. It is recently realized that dislocations can be used as a probe for higher-order topology. In this work, we propose a scheme to obtain acoustic dislocation states by introducing screw dislocations into higher-order topological insulators in a Kagome lattice. The topological...
  • 论文类型:期刊论文
  • 卷号:120
  • 页面范围:21220
  • 是否译文:
  • 发表时间:2022

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