Topological active matter
In active matter systems, individual constituents convert energy into non-conservative forces
or motion at the microscale, leading to morphological features and transport properties that …
or motion at the microscale, leading to morphological features and transport properties that …
Active nematics
A Doostmohammadi, J Ignés-Mullol… - Nature …, 2018 - nature.com
Active matter extracts energy from its surroundings at the single particle level and transforms
it into mechanical work. Examples include cytoskeleton biopolymers and bacterial …
it into mechanical work. Examples include cytoskeleton biopolymers and bacterial …
Ultra-extensible ribbon-like magnetic microswarm
Various types of structures self-organised by animals exist in nature, such as bird flocks and
insect swarms, which stem from the local communications of vast numbers of limited …
insect swarms, which stem from the local communications of vast numbers of limited …
Spatiotemporal control of liquid crystal structure and dynamics through activity patterning
Active materials are capable of converting free energy into mechanical work to produce
autonomous motion, and exhibit striking collective dynamics that biology relies on for …
autonomous motion, and exhibit striking collective dynamics that biology relies on for …
Autonomous materials systems from active liquid crystals
Liquid crystals (LCs) are ubiquitous in display technologies. The orientational ordering in the
nematic phase of LCs gives rise to structural anisotropy, the ability to form topological …
nematic phase of LCs gives rise to structural anisotropy, the ability to form topological …
Tunable structure and dynamics of active liquid crystals
Active materials are capable of converting free energy into directional motion, giving rise to
notable dynamical phenomena. Developing a general understanding of their structure in …
notable dynamical phenomena. Developing a general understanding of their structure in …
Active topological glass
The glass transition in soft matter systems is generally triggered by an increase in packing
fraction or a decrease in temperature. It has been conjectured that the internal topology of …
fraction or a decrease in temperature. It has been conjectured that the internal topology of …
Reconfigurable flows and defect landscape of confined active nematics
J Hardoüin, R Hughes, A Doostmohammadi… - Communications …, 2019 - nature.com
The physics of active liquid crystals is mostly governed by the interplay between elastic
forces that align their constituents, and active stresses that destabilize the order with …
forces that align their constituents, and active stresses that destabilize the order with …
Probing active nematics with in situ microfabricated elastic inclusions
I Vélez-Cerón, P Guillamat, F Sagués… - Proceedings of the …, 2024 - National Acad Sciences
In this work, we report a direct measurement of the forces exerted by a tubulin/kinesin active
nematic gel as well as its complete rheological characterization, including the quantification …
nematic gel as well as its complete rheological characterization, including the quantification …
Topological defect-mediated morphodynamics of active–active interfaces
DQ Zhang, PC Chen, ZY Li… - Proceedings of the …, 2022 - National Acad Sciences
Physical interfaces widely exist in nature and engineering. Although the formation of passive
interfaces is well elucidated, the physical principles governing active interfaces remain …
interfaces is well elucidated, the physical principles governing active interfaces remain …