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Vendredi 5 Mai 2023 / IRPHE

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Séminaire IRPHE

Soft violation of Bell’s inequality

Orateur : Matthieu Labousse, Gulliver, ESPCI Paris, PSL Université

Abstract : Walking drops on Faraday waves are one of the rare examples of non-quantum wave-particle duality. A series of striking experiments with one walking drop has led to behaviors that were thought to be the peculiar to the quantum scale. I will present a recent numerical and experimental investigation involving the coupling of two walking drops. To our great surprise, we found that the statistical behavior of this system shares some non-expected features of collective emission of photons in quantum optics, including superradiance and violation of Bell’s inequality. This result is very intriguing as the quantum counterpart is the signature of non-separable states which in our case, is the result of a collective wave self-organization.

Date et lieu : le vendredi 5 mai à 11h00, salle de séminaires IRPHE

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