Acoustic spin-Chern insulator induced by synthetic spin–orbit coupling with spin conservation breaking

In acoustic systems, quantum spin Hall physics is rarely observed because the crucial ingredient spin-orbit coupling is missing. Here, the authors construct an acoustic crystal with synthetic spin-orbit coupling and observe gapless helical boundary states as well as spin flipping effect.

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Autores principales: Weiyin Deng, Xueqin Huang, Jiuyang Lu, Valerio Peri, Feng Li, Sebastian D. Huber, Zhengyou Liu
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/f5939ced93524b63ac70d5fdc035fb28
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