Mesoscopic wave physics in fish shoals | Zendy

Benoit Tallon | Zendy; Philippe Roux | Zendy; Guillaume Matte | Zendy; Jean Guillard | Zendy; S. E. Skipetrov | Zendy

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Mesoscopic wave physics in fish shoals

Author(s) -

Benoit Tallon,

Philippe Roux,

Guillaume Matte,

Jean Guillard,

S. E. Skipetrov

Publication year - 2020

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/5.0005145

Subject(s) - mesoscopic physics , shoal , physics , shoaling and schooling , scattering , diffusion , fish <actinopterygii> , condensed matter physics , geology , optics , fishery , oceanography , quantum mechanics , biology

Ultrasound scattered by a dense shoal of fish undergoes mesoscopic interference, as is typical of low-temperature electrical transport in metals or light scattering in colloidal suspensions. Through large-scale measurements in open sea, we show a set of striking deviations from classical wave diffusion making fish shoals good candidates to study mesoscopic wave phenomena. The very good agreement with theories enlightens the role of fish structure on such a strong scattering regime that features slow energy transport and brings acoustic waves close to the Anderson localization transition.

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