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arXiv · 1910.08172

Observations of symmetry induced topological mode steering in a reconfigurable elastic plate

Kun Tang·Mehul P. Makwana·Richard V. Craster·Patrick Sebbah
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Abstract

We experimentally investigate the valley-Hall effect for interfacial edge states, highlighting the importance of the modal patterns, between geometrically distinct regions within a structured elastic plate. These experiments, for vibration, are at a scale where detailed measurements are taken throughout the system and not just at the input/output ports; this exposes the coupling between geometrically distinct modes that underlie the differences between wave transport around gentle and sharp bends.

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Kun Tang, Mehul P. Makwana, Richard V. Craster, Patrick Sebbah. 2019-10-17. Observations of symmetry induced topological mode steering in a reconfigurable elastic plate. https://doi.org/10.1103/physrevb.102.214103

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