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Article Dans Une Revue Physical Review Letters Année : 2009

Unpredictable Tunneling of a Classical Wave-Particle Association

Antonin Eddi
Yves Couder
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Résumé

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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Dates et versions

hal-04353048 , version 1 (19-12-2023)

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Antonin Eddi, Emmanuel Fort, Frédéric Moisy, Yves Couder. Unpredictable Tunneling of a Classical Wave-Particle Association. Physical Review Letters, 2009, 102 (24), pp.240401. ⟨10.1103/PhysRevLett.102.240401⟩. ⟨hal-04353048⟩
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