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We show how resonant (near-field) coupling affects wave transport in disordered media through ultrasonic experiments in concentrated suspensions. The samples consist of resonant emulsions in which oil droplets are suspended in a liquid gel. By varyin
Externí odkaz:
http://arxiv.org/abs/2208.11684
Autor:
Elziny, Soad, Sran, Sahibjot, Yoon, Hyojung, Corrigan, Rachel R., Page, John, Ringland, Amanda, Lanier, Anna, Lapidus, Sara, Foreman, James, Heinzen, Erin L., Iffland, Philip, Crino, Peter B., Bedrosian, Tracy A.
Publikováno v:
In Neuroscience Letters 27 July 2024 836
We study Anderson localization of a scalar wave in an ensemble of resonant point scatterers embedded in an anisotropic background medium. For uniaxial anisotropy of moderate strength, the mobility edges and the critical exponent of the localization t
Externí odkaz:
http://arxiv.org/abs/2107.12199
Autor:
Tallon, Benoit, Roux, Philippe, Matte, Guillaume, Guillard, Jean, Page, John H., Skipetrov, Sergey E.
A dramatic slowing down of acoustic wave transport in dense fish shoals is observed in open-sea fish cages. By employing a multi-beam ultrasonic antenna, we observe the coherent backscattering (CBS) phenomenon. We extract key parameters of wave trans
Externí odkaz:
http://arxiv.org/abs/2103.01375
Autor:
Lanoy, Maxime, Lemoult, Fabrice, Lerosey, Geoffroy, Tourin, Arnaud, Leroy, Valentin, Page, John H.
A sound wave travelling in water is scattered by a periodic assembly of air bubbles. The local structure matters even in the low frequency regime. If the bubbles are arranged in a face-centered cubic (fcc) lattice, a total band gap opens near the Min
Externí odkaz:
http://arxiv.org/abs/2101.02048