A soft-clamped topological waveguide for phonons

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2025-06-04 23:16:51 -

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Nature, Published online: 04 June 2025; doi:10.1038/s41586-025-09092-xA substantial reduction of losses in a phononic waveguide can be achieved by soft clamping, through which phonons can be guided through very sharp turns with losses accounting for less than one phonon in a million.

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