Active turbulence

R Alert, J Casademunt, JF Joanny - Annual Review of …, 2022 - annualreviews.org
Active fluids exhibit spontaneous flows with complex spatiotemporal structure, which have
been observed in bacterial suspensions, sperm cells, cytoskeletal suspensions, self …

Topological active matter

S Shankar, A Souslov, MJ Bowick, MC Marchetti… - Nature Reviews …, 2022 - nature.com
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 …

[HTML][HTML] 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 …

[HTML][HTML] Ultra-extensible ribbon-like magnetic microswarm

J Yu, B Wang, X Du, Q Wang, L Zhang - Nature communications, 2018 - nature.com
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 …

Tunable structure and dynamics of active liquid crystals

N Kumar, R Zhang, JJ De Pablo, ML Gardel - Science advances, 2018 - science.org
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 …

Data-driven quantitative modeling of bacterial active nematics

H Li, X Shi, M Huang, X Chen, M Xiao… - Proceedings of the …, 2019 - National Acad Sciences
Active matter comprises individual units that convert energy into mechanical motion. In many
examples, such as bacterial systems and biofilament assays, constituent units are elongated …

Scaling regimes of active turbulence with external dissipation

B Martínez-Prat, R Alert, F Meng, J Ignés-Mullol… - Physical Review X, 2021 - APS
Active fluids exhibit complex turbulentlike flows at low Reynolds number. Recent work
predicted that 2D active nematic turbulence follows scaling laws with universal exponents …

Submersed micropatterned structures control active nematic flow, topology, and concentration

K Thijssen, DA Khaladj, SA Aghvami… - Proceedings of the …, 2021 - National Acad Sciences
Coupling between flows and material properties imbues rheological matter with its wide-
ranging applicability, hence the excitement for harnessing the rheology of active fluids for …

[HTML][HTML] Taming active turbulence with patterned soft interfaces

P Guillamat, J Ignés-Mullol, F Sagués - Nature communications, 2017 - nature.com
Active matter embraces systems that self-organize at different length and time scales, often
exhibiting turbulent flows apparently deprived of spatiotemporal coherence. Here, we use a …

Curvature-induced defect unbinding and dynamics in active nematic toroids

PW Ellis, DJG Pearce, YW Chang, G Goldsztein… - Nature Physics, 2018 - nature.com
Nematic order on curved surfaces is often disrupted by the presence of topological defects,
which are singular regions in which the orientational order is undefined. In the presence of …