Hybrid magnon-phonon crystals

Liyang Liao, Jiacheng Liu, Jorge Puebla, Qiming Shao, Yoshichika Otani
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Abstract

Magnons and phonons are engineered in artificial lattices with tunable modes and band dispersions. Recent advance in magnon-phonon coupling shined a light on combining magnonic and phononic crystals as hybrid magnon-phonon crystals, benefit from the tunable magnon-phonon coupling, the time-reversal symmetry breaking of magnons, and the long lifetime of phonons. This perspective summarizes lattice-based mutual control of magnons and phonons, and proposes the opportunities provided by the hybrid magnon-phonon crystals.

Abstract Image

混合镁-声子晶体
人工晶格中的磁子和声子具有可调的模式和频带色散。最近在磁子-声子耦合方面取得的进展,使人们看到了将磁子晶体和声子晶体结合为混合磁子-声子晶体的曙光,这得益于可调谐的磁子-声子耦合、磁子的时间逆对称破缺和声子的长寿命。这一观点总结了基于晶格的磁子和声子相互控制,并提出了混合磁子-声子晶体提供的机遇。
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