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Magnon-induced phononic Chern insulator

arXiv · AI, language, vision and robotics · article · Aug 27, 2026 · UTC

High-frequency artificial phononic crystals offer a low-loss platform compatible with on-chip integration, yet realizing Chern phononic phases at GHz frequencies remains challenging. Here, we propose a magnon-induced phononic Chern insulator in a honeycomb phononic crystal hybridized with ferromagnetic islands at the hexagon centers. A circularly polarized Kittel mode couples to the surrounding phonons with a phase winding, which breaks time-reversal symmetry and opens a full Chern gap. In the large-detuning regime, this mechanism leads to an effective Haldane-type phononic model with magnon-i

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Evidence & attribution

arXiv · AI, language, vision and robotics · 2026-08-27T11:55:52.000Z

First collected: 2026-09-21T08:51:59.673Z. This is not the publication date.