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Swirling Due to Misaligned Perception-Dependent Motility
Rodrigo Saavedra1, Gerhard Gompper1, Marisol Ripoll1
1Theoretical Physics of Living Matter, Institute for Advanced Simulation, <a href="https://ror.org/02nv7yv05">Forschungszentrum Jülich</a>, 52425 Jülich, Germany.
Abstract:
A system of particles with motility variable in terms of a vision-type of perception is investigated by a combination of Langevin dynamics simulations in two-dimensional systems and an analytical approach based on conservation law principles. Persistent swirling with predetermined direction is here induced by differentiating the self-propulsion direction and the perception cone axis. Clusters can have a fluidlike center with a rotating outer layer or display a solidlike rotation driven by the outer layer activity. Discontinuous motility with misaligned perception might therefore serve as a powerful self-organization strategy in microrobots.
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