Nature Communications (Apr 2019)

Nodal rings and drumhead surface states in phononic crystals

  • Weiyin Deng,
  • Jiuyang Lu,
  • Feng Li,
  • Xueqin Huang,
  • Mou Yan,
  • Jiahong Ma,
  • Zhengyou Liu

DOI
https://doi.org/10.1038/s41467-019-09820-8
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 6

Abstract

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3D topological nodal lines that give rise to drumhead surface states could help study a range of exotic topological phenomena. Here, Deng et al. experimentally demonstrate 3D nodal ring dispersion and topological drumhead surface states for acoustic waves in a phononic crystal.