לוח שנה משולב

The behavior of the fundamental objects of physics at quantum scale is dominated by the wave-particle duality. This characteristic is usually thought to have no equivalent in macroscopic physics where mass-like objects and waves are distinct entities. We have shown recently that a droplet bouncing on a vertically vibrated liquid interface can become dynamically coupled to the surface wave it excites. It thus becomes a self-propelled "walker", a symbiotic object formed by the droplet and its associated wave. ¬¬
Through several experiments, we address one central question. How can a continuous and spatially extended wave have a common dynamics with a localized and discrete droplet? They show that whenever the wave is split (diffraction, interference, tunneling etc…), an uncertainty appears in the droplet behavior. Another asset of this system is that when a transverse force is exerted on the droplet its possible orbits take a discrete set of quantized values. To what extend these results can be compared to the quantum situation will be discussed. Finally I will show that these interesting behaviours are due, in our system, to a spatio-temporal non-locality that we called its wave-mediated path memory.