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Metastable clusters and channels formed by active particles with aligning interactions

Journal article
Authors Simon Nilsson
Giovanni Volpe
Published in New Journal of Physics
Volume 19
ISSN 1367-2630
Publication year 2017
Published at Department of Physics (GU)
Language en
Keywords Active matter, active particles, self-organization
Subject categories Mesoscopic physics, Physical Sciences


We introduce a novel model for active particles with short-range position-dependent aligning interactions and study their behaviour in crowded environments using numerical simulations. When only active particles are present, we observe a transition from a gaseous state to the emergence of metastable clusters as the level of orientational noise is reduced. When passive particles are also present, we observe the emergence of a network of metastable channels.

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