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Scattering theory

Information gets into the flow with wave scattering

Nature Physics (2024)Cite this article

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140 years ago, John Henry Poynting demonstrated “by what paths and according to what law” electromagnetic energy travels. Theory and experiment now also reveal how waves acquire information as they scatter through their environment.

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Fig. 1: Energy versus information flow in a disordered waveguide.

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  1. ESPCI Paris, PSL University, CNRS, Institut Langevin, Paris, France

    Arthur Goetschy

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  1. Arthur Goetschy
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Correspondence to Arthur Goetschy.

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The author declares no competing interests.

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Goetschy, A. Information gets into the flow with wave scattering. Nat. Phys. (2024). https://doi.org/10.1038/s41567-024-02550-9

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