Frequency Band-Controllable Acoustic Topological Insulators Based on Local Dimensional Coordination
Xiao Liang,
Jiangxia Luo,
Jiaming Chu
et al.
Abstract:The potential value of acoustic topological insulators
is of wide
interest because of their special topology-protected edge-state unidirectional
transmission properties. In this article, a frequency band-controlled
acoustic topological insulator based on local dimensional coordination
is designed. It is capable of controlling the unidirectional transmission
frequency range by controlling the position of the band gap within
a certain range. The energy band structure and eigenmodes are analyzed
by using the fini… Show more
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