Dresden 2017 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 54: Active Matter II (joint session DY/BP/CPP, organized by DY)

CPP 54.1: Hauptvortrag

Donnerstag, 23. März 2017, 09:30–10:00, HÜL 186

Rolling, rolling, rolling -- a new self-propulsion mechanism — •Falko Ziebert1,2 and Igor Kulic21Physikalisches Institut, Albert-Ludwigs-Universität Freiburg, 79104 Freiburg, Germany — 2Institut Charles Sadron UPR22-CNRS, 67034 Strasbourg Cedex 2, France

We describe a generic mechanism that induces an instability towards rolling motion of a rod along a heated plate. The mechanism, relying on geometric planar confinement, can be explained by an effective model combining elasticity of a rod with thermal advection-diffusion. We exemplify the versatility of the effect by investigating self-propellers, as well as simple motors and energy storage devices, both experimentally and theoretically.

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