UMR 5672

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Hydrodynamic quantum analogs: droplets walking on the impossible pilot wave

John Bush (MIT)
When Oct 07, 2019
from 11:00 AM to 12:00 PM
Where Amphi. Schrödinger
Attendees John Bush
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Some 15 years ago, Yves Couder and Emmanuel Fort discovered that droplets walking on a vibrating fluid bath exhibit several features previously thought to be exclusive to the microscopic, quantum realm. These walking droplets propel themselves by virtue of a resonant interaction with their own wavefield, and so represent the first macroscopic realization of a pilot-wave system of the form proposed for microscopic quantum dynamics by Louis de Broglie in the 1920s. New experimental and theoretical results allow us to rationalize the emergence of quantum-like behavior in this hydrodynamic pilot-wave system in a number of settings, and explore its potential and limitations as a quantum analog.

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