期刊
PHYSICAL REVIEW E
卷 98, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.98.062610
关键词
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资金
- Yukawa Institute visiting professorship
- YITP
- IRSES SoftActive
- MEXT for Scientific Research [16H04025]
- Institut Universitaire de France
- ANR grant Bactterns
- University of Cambridge
- St. Catherine's College
Modeling the dynamics of an individual active particle invariably involves an isotropic noisy self-propulsion component, in the form of run-and-tumble motion or variations around it. This nonequilibrium source of noise is neither white-there is persistence-nor Gaussian. While emerging collective behavior in active matter has hitherto been attributed to the persistent ingredient, we focus on the non-Gaussian ingredient of self-propulsion. We show that by itself, that is, without invoking any memory effect, it is able to generate particle accumulation close to boundaries and effective attraction between otherwise repulsive particles, a mechanism which generically leads to motility-induced phase separation in active matter.
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