Observation of elastic spin with chiral meta-sources

Weitao Yuan1,2, Chenwen Yang1, Danmei Zhang1

  • 1Center for Phononics and Thermal Energy Science, China-EU Joint Lab on Nanophononics, Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology, School of Physics Science and Engineering, Tongji University, Shanghai, 200092, China.

Nature Communications
|November 30, 2021
PubMed
Summary

Researchers experimentally measured intrinsic elastic spin in Rayleigh and Lamb waves using chiral meta-sources. This demonstrates spin-momentum locking and unidirectional wave propagation, opening new avenues for elastic wave manipulation.

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