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Dresden 2014 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 11: Microswimmers (joint session DY/ BP)

DY 11.7: Talk

Tuesday, April 1, 2014, 11:15–11:30, ZEU 146

Transport powered by bacterial turbulence — •Andreas Kaiser1, Anton Peshkov2, Andrey Sokolov3, Borge ten Hagen1, Hartmut Löwen1, and Igor S. Aranson31Institut für Theoretische Physik II: Weiche Materie, Heinrich-Heine-Universität Düsseldorf — 2Service de Physique de l’Etat Condensé, Gif-sur-Yvette — 3Materials Science Division, Argonne National Laboratory

We show that turbulence in a bacterial bath can be exploited to power and steer directed transport of mesoscopic carriers through the suspension. In our experiments and simulations, a microwedge-like "bulldozer" is exposed to a bacterial bath of varied concentration and obtains a maximal transport speed in the turbulent state of the bacterial suspension.

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