Article Dans Une Revue Journal of Physics D: Applied Physics Année : 2021

Localized interface modes in one-dimensional hyperuniform acoustic materials

Résumé

We theoretically, numerically and experimentally report the localization of an acoustic wave at the interface between two one-dimensional hyperuniform materials of different geometrical representations. These materials suppress the acoustic scattering in the long wavelength regime, being rather disordered and degenerate, while possessing a wide band gap. In this work, these hyperuniform materials are made of an air-filled acoustic waveguide with rigid diaphragms acting as scatterers. A wide band gap and the emergence of the edge modes provide promising applications in wave control devices.

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hal-03436155 , version 1 (22-11-2021)

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S Kuznetsova, Jean-Philippe Groby, L García-Raffi, Vicente Romero-García. Localized interface modes in one-dimensional hyperuniform acoustic materials. Journal of Physics D: Applied Physics, 2021, 54 (31), pp.315303. ⟨10.1088/1361-6463/ac006d⟩. ⟨hal-03436155⟩
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