期刊
PHYSICAL REVIEW LETTERS
卷 108, 期 24, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.248101
关键词
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资金
- National Science Foundation [DMR-0806511, DMR-1004789]
- EPSRC [EP/J007404/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/J007404/1] Funding Source: researchfish
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0806511] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1004789] Funding Source: National Science Foundation
We study the behavior of interacting self-propelled particles, whose self-propulsion speed decreases with their local density. By combining direct simulations of the microscopic model with an analysis of the hydrodynamic equations obtained by explicitly coarse graining the model, we show that interactions lead generically to the formation of a host of patterns, including moving clumps, active lanes, and asters. This general mechanism could explain many of the patterns seen in recent experiments and simulations.
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