ArticleProceedings of the National Academy of Sciences of the United States of America2020
Emergence of self-organized multivortex states in flocks of active rollers.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Emergent and controllable behaviors of Janus swarmalator collectives.Nature communications · 2026Article
- Evidence of universal conformal invariance in living biological matter.Nature physics · 2025Article
- Swarm Autonomy: From Agent Functionalization to Machine Intelligence.Advanced materials (Deerfield Beach, Fla.) · 2025Review
- Synchronous and Fully Steerable Active Particle Systems for Enhanced Mimicking of Collective Motion in Nature.Advanced materials (Deerfield Beach, Fla.) · 2024Article
- Spontaneous shock waves in pulse-stimulated flocks of Quincke rollers.Nature communications · 2023Article
- Synchronization in collectively moving inanimate and living active matter.Nature communications · 2023Article
- Programmable self-organization of heterogeneous microrobot collectives.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Electric and Magnetic Field-Driven Dynamic Structuring for Smart Functional Devices.Micromachines · 2023Review
- Diverse behaviors in non-uniform chiral and non-chiral swarmalators.Nature communications · 2023Article
- Arrested-motility states in populations of shape-anisotropic active Janus particles.Science advances · 2022Article
- Electrically tunable collective motion of dissipative solitons in chiral nematic films.Nature communications · 2022Article
- Order and information in the patterns of spinning magnetic micro-disks at the air-water interface.Science advances · 2022Article
- Activity waves and freestanding vortices in populations of subcritical Quincke rollers.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- A particle-field approach bridges phase separation and collective motion in active matter.Nature communications · 2020Article
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Authors and funding
6 authors.
Funding
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Abstract
Active matter, both synthetic and biological, demonstrates complex spatiotemporal self-organization and the emergence of collective behavior. A coherent rotational motion, the vortex phase, is of great interest because of its ability to orchestrate well-organized motion of self-propelled particles over large distances. However, its generation without geometrical confinement has been a challenge. Here, we show by experiments and computational modeling that concentrated magnetic rollers self-organize into multivortex states in an unconfined environment. We find that the neighboring vortices more likely occur with the opposite sense of rotation. Our studies provide insights into the mechanism for the emergence of coherent collective motion on the macroscale from the coupling between microscale rotation and translation of individual active elements. These results may stimulate design strategies for self-assembled dynamic materials and microrobotics.
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