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Link to original content: https://pubmed.ncbi.nlm.nih.gov/19658983
Unpredictable tunneling of a classical wave-particle association - PubMed Skip to main page content
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. 2009 Jun 19;102(24):240401.
doi: 10.1103/PhysRevLett.102.240401. Epub 2009 Jun 16.

Unpredictable tunneling of a classical wave-particle association

A Eddi  1 , E Fort, F Moisy, Y Couder
Affiliations

Unpredictable tunneling of a classical wave-particle association

A Eddi et al. Phys Rev Lett. .

Abstract

A droplet bouncing on a vibrated bath becomes a "walker" moving at constant velocity on the interface when it couples to the surface wave it generates. Here the motion of a walker is investigated when it collides with barriers of various thicknesses. Surprisingly, it undergoes a form of tunneling: the reflection or transmission of a given incident walker is unpredictable. However, the crossing probability decreases exponentially with increasing barrier width. This shows that this wave-particle association has a nonlocality sufficient to generate a quantumlike tunneling at a macroscopic scale.

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