多组分混合物中由流动性引起的动力学效应

IF 1.8 4区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY

EPL Pub Date : 2024-08-08 DOI:10.1209/0295-5075/ad60f3

F. C. Thewes, M. Krüger and P. Sollich

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引用次数: 0

摘要

我们概述了动力学在多组分混合物中的作用。与最常研究的二元（单一物种加溶剂）情况相比，多组分流体由于可能存在分馏、混合物成分的相互扩散和集体运动，动力学和热力学之间呈现出丰富的相互作用。这导致了多种时标之间的竞争，而这些时标的变化取决于基本动力学。在高密度条件下，拥挤效应会产生影响，非平衡结构会变得长寿。我们介绍了研究多组分混合物动力学效应的主要方法，包括拥挤效应的作用，并探讨了它们对平衡和非平衡情景的影响。最后，我们确定了该领域的主要挑战。

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Mobility-induced kinetic effects in multicomponent mixtures

We give an overview exploring the role of kinetics in multicomponent mixtures. Compared to the most commonly studied binary (single species plus solvent) case, multicomponent fluids show a rich interplay between kinetics and thermodynamics due to the possibility of fractionation, interdiffusion of mixture components and collective motion. This leads to a competition between multiple timescales that change depending on the underlying kinetics. At high densities, crowding effects are relevant and non-equilibrium structures can become long-lived. We present the main approaches for the study of kinetic effects in multicomponents mixtures, including the role of crowding, and explore their consequences for equilibrium and non-equilibrium scenarios. We conclude by identifying the main challenges in the field.

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来源期刊

EPL 物理-物理：综合

CiteScore

3.30

自引率

5.60%

发文量

332

审稿时长

1.9 months

期刊介绍： General physics – physics of elementary particles and fields – nuclear physics – atomic, molecular and optical physics – classical areas of phenomenology – physics of gases, plasmas and electrical discharges – condensed matter – cross-disciplinary physics and related areas of science and technology. Letters submitted to EPL should contain new results, ideas, concepts, experimental methods, theoretical treatments, including those with application potential and be of broad interest and importance to one or several sections of the physics community. The presentation should satisfy the specialist, yet remain understandable to the researchers in other fields through a suitable, clearly written introduction and conclusion (if appropriate). EPL also publishes Comments on Letters previously published in the Journal.