Macroscopic, artificial active matter

L Ning, H Zhu, J Yang, Q Zhang, P Liu, R Ni… - National Science …, 2024 - nso-journal.org
Artificial active matters on a macroscopic scale, including vibrating particles, robots, and
camphor boats, have attracted increasing attentions due to their uniform properties, rich and …

Topology-guided polar ordering of collective cell migration

E Lång, A Lång, P Blicher, T Rognes… - Science …, 2024 - science.org
The ability of epithelial monolayers to self-organize into a dynamic polarized state, where
cells migrate in a uniform direction, is essential for tissue regeneration, development, and …

Self-aligning active agents with inertia and active torque

J Fersula, N Bredeche, O Dauchot - Physical Review E, 2024 - APS
We extend the study of the inertial effects on the two-dimensional dynamics of active agents
to the case where self-alignment is present. In contrast with the most common models of …

Polar order, shear banding, and clustering in confined active matter

D Canavello, RH Damascena, LRE Cabral… - Soft Matter, 2024 - pubs.rsc.org
We investigate the collective behavior of sterically interacting self-propelled particles
confined in a harmonic potential. Our theoretical and numerical study unveils the emergence …

Noise-induced collective actuation in active solids

P Baconnier, V Démery, O Dauchot - Physical Review E, 2024 - APS
Collective actuation describes the spontaneous synchronized oscillations taking place in
active solids when the elasto-active feedback, which generically couples the reorientation of …

Emergent Mesoscale Correlations in Active Solids with Noisy Chiral Dynamics

A Shee, S Henkes, C Huepe - arXiv preprint arXiv:2407.05113, 2024 - arxiv.org
We present the linear response theory for an elastic solid composed of active Brownian
particles with intrinsic individual chirality, deriving both a normal mode formulation and a …

Tuning collective actuation of active solids by optimizing activity localization

D Lazzari, O Dauchot, C Brito - arXiv preprint arXiv:2407.13682, 2024 - arxiv.org
Active solids, more specifically elastic lattices embedded with polar active units, exhibit
collective actuation when the elasto-active feedback, generically present in such systems …

Integer topological defect annihilations drive polar ordering of epithelial monolayers

E Lång, A Lång, P Blicher, T Rognes, P Dommersnes… - 2023 - researchsquare.com
The ability of epithelial monolayers to self-organize into a dynamic polarized state is
essential for tissue regeneration, development, and tumor progression. However, the …

Actuation collective dans les solides actifs–Emergence & Contrôle

P Baconnier, O Dauchot - nonlineaire.univ-lille1.fr
Les solides actifs sont constitués d'unités motorisées couplées élastiquement. Ils sont au
centre de nombreux processus biologiques comme la locomotion, les auto-oscillations et la …