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Probing weyl physics with one-dimensional sonic crystals

  • 发布时间:2020-05-16
  • 点击次数:
  • 发表刊物:Physical review letters
  • 摘要:Recently, intense efforts have been devoted to realizing classical analogues of various topological phases of matter. In this Letter, we explore the intriguing Weyl physics by a simple one-dimensional sonic crystal, in which two extra structural parameters are combined to construct a synthetic three-dimensional space. Based on our ultrasonic experiments, we have not only observed the synthetic Weyl points, but also probed the novel reflection phase singularity that connects inherently with the topological robustness of Weyl points. The presence of topologically nontrivial interface modes has …
  • 卷号:122
  • 期号:13
  • 页面范围:136802
  • 是否译文:
  • 发表时间:2019

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