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Regensburg 2022 – wissenschaftliches Programm

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BP: Fachverband Biologische Physik

BP 29: Active Matter 5 (joint session DY/BP/CPP)

BP 29.4: Vortrag

Freitag, 9. September 2022, 10:45–11:00, H18

Hierarchical self-organization in communicating polar active matter — •Alexander Ziepke1, Ivan Maryshev1, Igor S. Aranson2, and Erwin Frey11Ludwig-Maximilians-Universität München, München, Germany — 2Pennsylvania State University, University Park PA, USA

Self-organization in active matter plays an important role for various biological and artificial systems. In numerous cases, inter-agent communication is a key mechanism for the formation and localization of critical structures, such as the fruiting body in Dictyostelium discoideum or aggregation clusters in quorum-sensing bacteria. Despite its importance, the specific role of communication and its interplay with self-propulsion remains largely unexplored.

We propose a model for communicating active matter that endows self-propelled polar agents with information processing and signal relaying capabilities. We show that information processing greatly enriches the ability of these systems to form complex structures, allowing them to self-organize through a range of different collective dynamical states at multiple hierarchical levels. This provides insights into the role of self-sustained signal processing for self-organization in biological systems and opens pathways for applications using chemically driven colloids or microrobots.

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