Regensburg 2019 – wissenschaftliches Programm

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SYPN: Symposium Patterns in Nature: Origins, Universality, Functions

SYPN 1: Patterns in Nature: Origins, Universality, Functions

SYPN 1.2: Hauptvortrag

Montag, 1. April 2019, 15:30–16:00, H1

Collective behaviour and pattern formation in phoretic active matter — •Ramin Golestanian — Max Planck Institute for Dynamics and Self-Organization, Göttingen — University of Oxford

Suspensions of active particles that main their non-equilbrium state via phoretic mechanisms provide an enthralling system as the very mechanism that gives rise to single-particle activity also controls the interaction between particles at a long range. I will discuss consequences of such interaction using a number of examples, and demonstrate how various modes of interaction can compete to give us interesting instabilities and patterns. For the specific of magnetically active bacteria, I disucss how competition between an external shear flow and the magnetic alignment can lead to pattern formation.