Pseudo-time-reversal symmetry and topological edge states in two-dimensional acoustic crystals

Jun Mei, Zeguo Chen, Ying Wu

Research output: Contribution to journalArticlepeer-review

90 Scopus citations

Abstract

We propose a simple two-dimensional acoustic crystal to realize topologically protected edge states for acoustic waves. The acoustic crystal is composed of a triangular array of core-shell cylinders embedded in a water host. By utilizing the point group symmetry of two doubly degenerate eigenstates at the Î
Original languageEnglish (US)
JournalScientific Reports
Volume6
Issue number1
DOIs
StatePublished - Sep 2 2016

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