无搅拌混合：混沌平流条件下相互作用粒子的超均匀弥散
Mixing by Unstirring: Hyperuniform Dispersion of Interacting Particles upon Chaotic Advection
摘要：
我们展示了如何实现快速和超均匀的颗粒在粘性流体中的分散。为此，我们首先将临界随机组织的概念扩展到混沌驱动器。我们将展示如何回文序列的混沌平流导致微观粒子有效地相互作用，在长距离，从而抑制临界自组织。基于这种理解，我们绕过这一限制，设计了搅拌和不搅拌的顺序，同时优化了颗粒扩散的速度和所得分散体的均匀性。
英文摘要：
We show how to achieve both fast and hyperuniform dispersions of particles in viscous fluids. To do so, we first extend the concept of critical random organization to chaotic drives. We show how palindromic sequences of chaotic advection cause microscopic particles to effectively interact at long range thereby inhibiting critical self-organization. Based on this understanding we go around this limitation and design sequences of stirring and unstirring which simultaneously optimize the speed of particle spreading and the homogeneity of the resulting dispersions.
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