Intro talk: Wave propagation in random media: Gaussian and non-Gaussian wave fluctuations

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• Josselin Garnier (École Polytechnique)
• Thursday 23 March 2023, 09:00-10:00
• Seminar Room 1, Newton Institute.

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MWSW02 - Theory of wave scattering in complex and random media

In this talk we review some aspects of wave propagation in random media.We address the following conjecture: for large propagation distances, the wavefield has Gaussian statistics, mean zero, and second-order moments determined by radiative transfer theory.The results for the first two moments can be proved under general circumstances by multiscale analysis.The Gaussian conjecture for the statistical distribution of the wavefield can be proved in some propagation regimes, but it turns out to be wrong in other regimes. Co-authors: Liliana Borcea, Knut Solna  

This talk is part of the Isaac Newton Institute Seminar Series series.

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