Shape anisotropy governs organization of active rods: Swarming, turbulence, flocking, and jamming · Y. Shelke et al.
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Yogesh Shelke, Anpuj Nair S, Hanumantha Rao Vutukuri* We present a combined experimental and active Brownian dynamics simulation study to unravel the collective dynamics of polar self- propelled colloidal rods. In this study, we systematically investigated how shape-induced alignment, arising from steric, hydrodynamic, and phoretic interactions, governs their collective behavior. By indepen- dently varying the rod aspect ratio and area fraction, we identified a sequence of phases including swarming, active turbulence, flocking, phase separation, large clusters, and jamming. We consolidated these results into a state diagram that maps these phases as a function of rod aspect ratio and concentration of active rods. …
摘自《科学》(Science)第392卷 第6794期 · 2026年4月9日,Y. Shelke et al.。仅引用开头一小段供了解文章,版权归原刊所有,全文请阅读原刊。