Dynamical Crystallites of Active Chiral Particles

被引:46
|
作者
Huang, Zhi-Feng [1 ]
Menzel, Andreas M. [2 ,3 ]
Loewen, Hartmut [2 ]
机构
[1] Wayne State Univ, Dept Phys & Astron, Detroit, MI 48201 USA
[2] Heinrich Heine Univ Dusseldorf, Inst Theoret Phys 2, Univ Str 1, D-40225 Dusseldorf, Germany
[3] Otto von Guericke Univ, Inst Phys, Univ Pl 2, D-39106 Magdeburg, Germany
基金
美国国家科学基金会;
关键词
Compendex;
D O I
10.1103/PhysRevLett.125.218002
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
One of the intrinsic characteristics of far-from-equilibrium systems is the nonrelaxational nature of the system dynamics, which leads to novel properties that cannot be understood and described by conventional pathways based on thermodynamic potentials. Of particular interest are the formation and evolution of ordered patterns composed of active particles that exhibit collective behavior. Here we examine such a type of nonpotential active system, focusing on effects of coupling and competition between chiral particle self-propulsion and self-spinning. It leads to the transition between three bulk dynamical regimes dominated by collective translative motion, spinning-induced structural arrest, and dynamical frustration. In addition, a persistently dynamical state of self-rotating crystallites is identified as a result of a localized-delocalized transition induced by the crystal-melt interface. The mechanism for the breaking of localized bulk states can also be utilized to achieve self-shearing or self-flow of active crystalline layers.
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页数:8
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