彩虹
超材料
俘获
声学
光学
空格(标点符号)
能量(信号处理)
拓扑(电路)
物理
材料科学
计算机科学
工程类
电气工程
量子力学
生态学
生物
操作系统
作者
Danwei Liao,Yixian Liu,Zhiwang Zhang,Ying Cheng,Xiaojun Liu,Johan Christensen
标识
DOI:10.1016/j.scib.2023.07.016
摘要
Acoustic topological insulators are skillfully designed artificial acoustic metamaterials offering robust energy propagation or localization. We investigate the topological property of a coupled-cavity waveguide array in a synthetic four-dimensional space to obtain acoustic rainbow trapping at deep-subwavelength corners.
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