Topological acoustic triple point

The topological characteristics of acoustic phonons with triple degeneracy remain largely unexplored. Here, the authors propose a topological acoustic triple point characterized by a topological charge in a three-band system with PT symmetry.

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Autores principales: Sungjoon Park, Yoonseok Hwang, Hong Chul Choi, Bohm-Jung Yang
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/fae467e5135f449fbb1826c3471db91a
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