Non-Hermitian route to higher-order topology in an acoustic crystal

Losses, due to their non-Hermitian nature, are generally disregarded or even considered harmful when looking for non-trivial topological phases. Here, the authors experimentally demonstrate that higher-order topology can emerge as a result of introducing losses in an acoustic crystal.

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Detalles Bibliográficos
Autores principales: He Gao, Haoran Xue, Zhongming Gu, Tuo Liu, Jie Zhu, Baile Zhang
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/fca3952504874bd6b8a72b30a55970f5
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