Berlin 2015 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 16: Microswimmers - Part I (joint session DY/ BP/ CPP)

DY 16.7: Talk

Tuesday, March 17, 2015, 11:15–11:30, BH-N 128

Velocity distributions in active Brownian suspensions — •Zahra Mokhtari and Annette Zippelius — Institute for Theoretical Physics, Georg-August University of Goettingen

We study numerically a model of self-propelled polar disks in suspension. The active particles interact via hard-core elastic interactions and are driven along their axes, which are subject to rotational noise. We study the distribution of linear and rotational velocities, which are predicted to show strongly anomalous but largely universal features. We furthermore analyze the correlations due to the coupling of translational and rotational motion and show that the alignment of particles' velocities and orientations can be controlled by the damping.