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Manipulation of acoustic vortex with topological dislocation states
- 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：否
- 发表时间：2022-05-25
