The glass transition in molecules, colloids and grains: universality and specificity

IF 1.3 4区 物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS Comptes Rendus Physique Pub Date : 2022-11-06 DOI:10.5802/crphys.155
O. Dauchot, F. Ladieu, C. Royall
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引用次数: 2

Abstract

We highlight certain key achievements in experimental work on molecular, colloidal and granular glassformers. This short review considers these three classes of experimental systems and focusses largely on the work of the authors and their coworkers and thus is far from exhaustive. Our goal is rather to discuss particular experimental results from these classes and to explore universality and specificity across the broad range of length- and time-scales they span. We emphasize that a variety of phenomena, not least dynamical heterogeneity, growing lengthscales and a change in structure, albeit subtle, are now well established in these three classes of glassformer. We then review some experimental measurements which depend more specifically on the class of glassformer, such as the Gardner transition and some which have been investigated more in one or two classes than in all, such as configurational entropy and evidence for a dynamical phase transition. We finally put forward some open questions and consider what could be done to fill some of the gaps between theoretical approaches and experiments.
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分子、胶体和颗粒中的玻璃化转变:普遍性和特异性
我们强调了在分子、胶体和颗粒玻璃形成剂的实验工作中取得的一些关键成就。这篇简短的综述考虑了这三类实验系统,主要集中在作者及其同事的工作上,因此远非详尽无遗。我们的目标是讨论这些类别的特定实验结果,并探索它们在广泛的长度和时间尺度上的普遍性和特异性。我们强调,在这三类玻璃成型机中,各种现象,尤其是动态异质性、生长长度和结构变化,尽管很微妙,但现在已经得到了很好的证实。然后,我们回顾了一些更具体地取决于玻璃形成剂类别的实验测量,如Gardner跃迁,以及一些在一个或两个类别中比在所有类别中研究得更多的测量,如构型熵和动态相变的证据。最后,我们提出了一些悬而未决的问题,并考虑如何填补理论方法和实验之间的一些空白。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Comptes Rendus Physique
Comptes Rendus Physique 物理-天文与天体物理
CiteScore
2.80
自引率
0.00%
发文量
13
审稿时长
17.2 weeks
期刊介绍: The Comptes Rendus - Physique are an open acess and peer-reviewed electronic scientific journal publishing original research article. It is one of seven journals published by the Académie des sciences. Its objective is to enable researchers to quickly share their work with the international scientific community. The Comptes Rendus - Physique also publish journal articles, thematic issues and articles on the history of the Académie des sciences and its current scientific activity. From 2020 onwards, the journal''s policy is based on a diamond open access model: no fees are charged to authors to publish or to readers to access articles. Thus, articles are accessible immediately, free of charge and permanently after publication. The Comptes Rendus - Physique (8 issues per year) cover all fields of physics and astrophysics and propose dossiers. Thanks to this formula, readers of physics and astrophysics will find, in each issue, the presentation of a subject in particularly rapid development. The authors are chosen from among the most active researchers in the field and each file is coordinated by a guest editor, ensuring that the most recent and significant results are taken into account. In order to preserve the historical purpose of the Comptes Rendus, these issues also leave room for the usual notes and clarifications. The articles are written mainly in English.
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