Berlin 2024 – wissenschaftliches Programm
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BP: Fachverband Biologische Physik
BP 19: Active Matter III (joint session DY/BP/CPP)
BP 19.3: Vortrag
Mittwoch, 20. März 2024, 10:15–10:30, BH-N 334
Towards the cybernetics of active matter — •Alexander Ziepke1, Ivan Maryshev1, Igor S. Aranson2, and Erwin Frey1,3 — 1Arnold Sommerfeld Center and CeNS, LMU, Munich, Germany — 2Dept. Biomed. Eng., Penn State University, University Park, PA, USA — 3Max Planck School Matter to Life, Munich, Germany
Cybernetics describes the self-organized behavior of collectives of individual units in response to their environment, often taking inspiration from biological processes. Different organisms have developed various communication strategies to control such collective responses. For instance, social amoeba use chemical signaling to form localized aggregates in response to starvation, insects such as ants secrete pheromones for navigation, and bats and birds employ acoustic signals to form cohesive swarms. Our research focuses on how chemical and acoustic communication enables the formation of collective states with cooperative functionality, a targeted specification of the units, and the control of a coordinated response. In particular, we show that acoustic signaling of oscillatory agents leads to the formation of synchronized localized clusters and collectively propagating snake- and larva-like structures with distinct acoustic signatures. By emitting acoustic waves, these emergent structures are able to sense environmental changes, such as approaching reflective objects, and respond with a coordinated change in phenotype. This study provides insights into design principles for unsupervised microrobots, able to form adaptive, multi-functional structures with population-level cognitive capabilities (Ziepke, Maryshev, Aranson, Frey., Nat Commun 13, 6727 (2022)).
Keywords: self-organization; communication; emergent functionality