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Updated: Jun 21, 2025

Investigating Flagella-Driven Motility in Escherichia coli by Applying Three Established Techniques in a Series
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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.

Physical Review Letters
|July 12, 2024
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Summary
This summary is machine-generated.

Self-propelled particle systems with vision-based perception exhibit persistent swirling. This behavior, driven by directional self-propulsion and perception, enables unique cluster dynamics for microrobot self-organization.

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Area of Science:

  • Physics
  • Complex Systems
  • Robotics

Background:

  • Investigating particle systems with variable motility is crucial for understanding self-organization.
  • Vision-type perception influences particle behavior and collective dynamics.

Purpose of the Study:

  • To explore the collective behavior of particles with vision-based motility.
  • To understand how directional self-propulsion and perception influence system dynamics.
  • To identify potential self-organization strategies for microrobots.

Main Methods:

  • Langevin dynamics simulations in 2D systems.
  • Analytical approach utilizing conservation law principles.
  • Modeling particles with differentiated self-propulsion and perception axes.

Main Results:

  • Induced persistent swirling with a predetermined direction.
  • Observed cluster structures with fluidlike or solidlike rotation.
  • Demonstrated influence of perception misalignment on motility.

Conclusions:

  • Discontinuous motility and misaligned perception can drive self-organization.
  • The studied system exhibits tunable collective behaviors.
  • Potential applications in microrobot collective strategies.