Flow and Structure in Nonequilibrium Brownian Many-Body Systems.,Physical Review Letters

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Flow and Structure in Nonequilibrium Brownian Many-Body Systems.
Physical Review Letters ( IF 8.1 ) Pub Date : 2020-06-29 , DOI: 10.1103/physrevlett.125.018001
Daniel de Las Heras ₁ , Matthias Schmidt ₁

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We present a fundamental classification of forces relevant in nonequilibrium structure formation under collective flow in Brownian many-body systems. The internal one-body force field is systematically split into contributions relevant for the spatial structure and for the coupled motion. We demonstrate that both contributions can be obtained straightforwardly in computer simulations and present a power functional theory that describes all types of forces quantitatively. Our conclusions and methods are relevant for flow in inertial systems, such as molecular liquids and granular media.

中文翻译：

非平衡布朗多体系统中的流动和结构。

我们介绍了布朗多体系统中集体流动下非平衡结构形成中相关力的基本分类。内部的单体力场被系统地分成与空间结构和耦合运动有关的贡献。我们证明，两种贡献都可以在计算机仿真中直接获得，并提出了一种能定量描述所有类型力的幂函数理论。我们的结论和方法与惯性系统中的流动相关，例如分子液体和颗粒介质。

更新日期：2020-06-29

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