Multi-dimensional wave steering with higher-order topological phononic crystal

@article{Xu2021MultidimensionalWS,
  title={Multi-dimensional wave steering with higher-order topological phononic crystal},
  author={Changqing Xu and Ze-Guo Chen and Guanqing Zhang and Guancong Ma and Ying Wu},
  journal={Chinese Science Bulletin},
  year={2021}
}
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