Active matter theories naturally describe the mechanics of living systems. As biological matter is overwhelmingly chiral, an understanding of the implications of chirality for the mechanics and statistical mechanics of active materials is a priority. This article examines active, chiral materials from a liquid-crystal physicist's point of view, extracting general features of broken-symmetry-ordered phases of such systems without reference to microscopic details. Crucially, this demonstrates that activity allows chirality to affect the hydrodynamics of broken-symmetry phases in contrast to passive liquid crystals, in which chirality induces the formation of a range of spatially periodic structures whose large-scale mechanics have no signatures of broken parity symmetry. In active systems, chirality leads to the formation of phases that break time translation symmetry, which is impossible in equilibrium, and the existence of new kinds of elastic force densities in translation symmetry-broken states.

Ananyo Maitra

Annual Review of Condensed Matter Physics

自 2010 年出版的凝聚态物理年度回顾描述了凝聚态物理和相关学科最重要的进展。该杂志通过确定最近的发展并提出对该领域各个部分的批判性评估，为正在进行的研究做出贡献。

The Annual Review of Condensed Matter Physics has been published since 2010 and aims to describe the significant advancements in condensed matter physics and related fields. The journal contributes to ongoing research by identifying recent developments and providing critical assessments of various aspects of the field.

《Annual Review of Condensed Matter Physics》自2010年起出版，旨在描述凝聚态物理及相关学科的重要进展。该杂志通过识别最新的发展，并对该领域的各个部分进行批判性评估，为持续的研究提供贡献。

Category	Quartile
物理与天体物理	1
物理与天体物理, 物理凝聚态物理	1

Activity Unmasks Chirality in Liquid-Crystalline Matter

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Journal Info

Category	Quartile
PHYSICS, CONDENSED MATTER	1