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Walking and orbiting droplets

Author

Listed:
  • Y. Couder

    (Matières et Systèmes Complexes, Université Paris 7 Denis Diderot)

  • S. Protière

    (Matières et Systèmes Complexes, Université Paris 7 Denis Diderot)

  • E. Fort

    (Matériaux et Phénomènes Quantiques, Université Paris 7 Denis Diderot)

  • A. Boudaoud

    (Laboratoire de Physique Statistique, 24 rue Lhomond)

Abstract

Small drops can bounce indefinitely on a bath of the same liquid if the container is oscillated vertically at a sufficiently high acceleration1. Here we show that bouncing droplets can be made to ‘walk’ at constant horizontal velocity on the liquid surface by increasing this acceleration. This transition yields a new type of localized state2,3,4,5 with particle–wave duality: surface capillary waves emanate from a bouncing drop, which self-propels by interaction with its own wave and becomes a walker. When two walkers come close, they interact through their waves and this ‘collision’ may cause the two walkers to orbit around each other6,7,8.

Suggested Citation

  • Y. Couder & S. Protière & E. Fort & A. Boudaoud, 2005. "Walking and orbiting droplets," Nature, Nature, vol. 437(7056), pages 208-208, September.
    • Handle: RePEc:nat:nature:v:437:y:2005:i:7056:d:10.1038_437208a
    DOI: 10.1038/437208a
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    Cited by:

    1. Grössing, Gerhard & Fussy, Siegfried & Mesa Pascasio, Johannes & Schwabl, Herbert, 2010. "Emergence and collapse of quantum mechanical superposition: Orthogonality of reversible dynamics and irreversible diffusion," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 389(21), pages 4473-4484.
    2. Maxime Hubert & Stéphane Perrard & Nicolas Vandewalle & Matthieu Labousse, 2022. "Overload wave-memory induces amnesia of a self-propelled particle," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    3. Man Hu & Feng Wang & Li Chen & Peng Huo & Yuqi Li & Xi Gu & Kai Leong Chong & Daosheng Deng, 2022. "Near-infrared-laser-navigated dancing bubble within water via a thermally conductive interface," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    4. Rahman, Aminur & Blackmore, Denis, 2016. "Neimark-Sacker bifurcations and evidence of chaos in a discrete dynamical model of walkers," Chaos, Solitons & Fractals, Elsevier, vol. 91(C), pages 339-349.

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