Abstract
The manipulation of acoustic wave propagation in fluids has numerous applications, including some in everyday life. Acoustic technologies frequently develop in tandem with optics, using shared concepts such as waveguiding and metamedia. It is thus noteworthy that an entirely novel class of electromagnetic waves, known as "topological edge states," has recently been demonstrated. These are inspired by the electronic edge states occurring in topological insulators, and possess a striking and technologically promising property: the ability to travel in a single direction along a surface without backscattering, regardless of the existence of defects or disorder. Here, we develop an analogous theory of topological…
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Authors
7Topics & keywords
Topics
Keywords
- Topological insulator
- Acoustics
- Physics
- Topology (electrical circuits)
- Acoustic wave
- Enhanced Data Rates for GSM Evolution
- Surface (topology)
- Computer science
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