Generation and reversal of surface flows by propagating waves
The ability to send a wave to fetch an object from a distance would find a broad range of applications. Quasi-standing Faraday waves on water create horizontal vortices, yet it is not known whether propagating waves can generate large-scale flows-small-amplitude irrotational waves only push particles in the direction of propagation. Here we show that when waves become three-dimensional as a result of the modulation instability, a floater can be forced to move towards the wave source. The...[Show more]
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