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论文

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Photonic crystals possessing multiple Weyl points and the experimental observation of robust surface states

  • 发布时间:2020-05-16
  • 点击次数:
  • 发表刊物:Nature communications
  • 摘要:Weyl points, as monopoles of Berry curvature in momentum space, have captured much attention recently in various branches of physics. Realizing topological materials that exhibit such nodal points is challenging and indeed, Weyl points have been found experimentally in transition metal arsenide and phosphide and gyroid photonic crystal whose structure is complex. If realizing even the simplest type of single Weyl nodes with a topological charge of 1 is difficult, then making a real crystal carrying higher topological charges may seem more challenging. Here we design, and fabricate using …
  • 卷号:7
  • 期号:1
  • 页面范围:1-10
  • 是否译文:
  • 发表时间:2016

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