Journal
PHYSICAL REVIEW LETTERS
Volume 128, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.128.108001
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Funding
- Russian Science Foundation [17-12-01534]
- German Science Foundation [PI 220/22-1]
- U.S. Department of Energy, Office of Science, Basic Energy Sciences [DE-SC0020964]
- U.S. Department of Energy (DOE) [DE-SC0020964] Funding Source: U.S. Department of Energy (DOE)
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This study investigates the trapping and release of interacting, self-propelled particles in a trap, revealing that the captured particles aggregate into an orbiting condensate with a crystalline structure. As more particles are added, the trapped condensates escape as a whole. These findings shed light on the effects of confinement and quenched disorder in active matter.
Active matter broadly covers the dynamics of self-propelled particles. While the onset of collective behavior in homogenous active systems is relatively well understood, the effect of inhomogeneities such as obstacles and traps lacks overall clarity. Here, we study how interacting, self-propelled particles become trapped and released from a trap. We have found that captured particles aggregate into an orbiting condensate with a crystalline structure. As more particles are added, the trapped condensates escape as a whole. Our results shed light on the effects of confinement and quenched disorder in active matter.
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