Partial-Wetting Phenomena in Active Matter

Fuente: arXiv
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Auteurs principaux: Zhang, Jing, Liu, Zhixin, Zhao, Shengda, Yan, Yangjun, Yue, Rongxin, Yu, Jiaxin, Li, Xinjie, Zhang, Xinghua
Format: Preprint
Publié: 2025
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author Zhang, Jing
Liu, Zhixin
Zhao, Shengda
Yan, Yangjun
Yue, Rongxin
Yu, Jiaxin
Li, Xinjie
Zhang, Xinghua
author_facet Zhang, Jing
Liu, Zhixin
Zhao, Shengda
Yan, Yangjun
Yue, Rongxin
Yu, Jiaxin
Li, Xinjie
Zhang, Xinghua
contents Abundant interfacial phenomena in nature, such as water droplets on lotus leaves and water transport in plant vessels, originate from partial-wetting phenomena, which can be well described by Young's equation. It remains an intriguing question whether similar behaviors exist in active matter. In this letter, we present a clear demonstration of the partial-wetting phenomenon in a ternary laning system, which is a typical active system. A phase diagram is constructed in which the relative drift velocities of different components govern the transitions among drying, partial wetting, and complete wetting states. The mechanical balance on the contact lines of the partial-wetting phase described by Young's equation is verified. A theoretical picture is proposed to explain the analogy of partial wetting in the laning system to that in the equilibrium system.
format Preprint
id arxiv_https___arxiv_org_abs_2504_14818
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Partial-Wetting Phenomena in Active Matter
Zhang, Jing
Liu, Zhixin
Zhao, Shengda
Yan, Yangjun
Yue, Rongxin
Yu, Jiaxin
Li, Xinjie
Zhang, Xinghua
Soft Condensed Matter
Abundant interfacial phenomena in nature, such as water droplets on lotus leaves and water transport in plant vessels, originate from partial-wetting phenomena, which can be well described by Young's equation. It remains an intriguing question whether similar behaviors exist in active matter. In this letter, we present a clear demonstration of the partial-wetting phenomenon in a ternary laning system, which is a typical active system. A phase diagram is constructed in which the relative drift velocities of different components govern the transitions among drying, partial wetting, and complete wetting states. The mechanical balance on the contact lines of the partial-wetting phase described by Young's equation is verified. A theoretical picture is proposed to explain the analogy of partial wetting in the laning system to that in the equilibrium system.
title Partial-Wetting Phenomena in Active Matter
topic Soft Condensed Matter
url https://arxiv.org/abs/2504.14818