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Nodal rings and drumhead surface states in phononic crystals

Author

Listed:
  • Weiyin Deng

    (South China University of Technology)

  • Jiuyang Lu

    (South China University of Technology)

  • Feng Li

    (South China University of Technology)

  • Xueqin Huang

    (South China University of Technology)

  • Mou Yan

    (South China University of Technology)

  • Jiahong Ma

    (South China University of Technology)

  • Zhengyou Liu

    (Wuhan University
    Wuhan University)

Abstract

Three-dimensional topological nodal lines, the touching curves of two bands in momentum space, which give rise to drumhead surface states, provide an opportunity to explore a variety of exotic phenomena. However, solid evidence for a flat drumhead surface state remains elusive. In this paper, we report a realization of three-dimensional nodal line dispersions and drumhead surface states in phononic crystal. Profiting from its macroscopic nature, the phononic crystal permits a flexible and accurate fabrication for materials with ring-like nodal lines and drumhead surface states. Phononic nodal rings of the lowest two bands and, more importantly, topological drumhead surface states are unambiguously demonstrated. Our system provides an ideal platform to explore the intriguing properties of acoustic waves endowed with extraordinary dispersions.

Suggested Citation

  • Weiyin Deng & Jiuyang Lu & Feng Li & Xueqin Huang & Mou Yan & Jiahong Ma & Zhengyou Liu, 2019. "Nodal rings and drumhead surface states in phononic crystals," Nature Communications, Nature, vol. 10(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-09820-8
    DOI: 10.1038/s41467-019-09820-8
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    Cited by:

    1. Shiming Lei & Kevin Allen & Jianwei Huang & Jaime M. Moya & Tsz Chun Wu & Brian Casas & Yichen Zhang & Ji Seop Oh & Makoto Hashimoto & Donghui Lu & Jonathan Denlinger & Chris Jozwiak & Aaron Bostwick , 2023. "Weyl nodal ring states and Landau quantization with very large magnetoresistance in square-net magnet EuGa4," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    2. Xiaoxiao Wu & Haiyan Fan & Tuo Liu & Zhongming Gu & Ruo-Yang Zhang & Jie Zhu & Xiang Zhang, 2022. "Topological phononics arising from fluid-solid interactions," Nature Communications, Nature, vol. 13(1), pages 1-7, December.

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