From the 1 of 12 linked papers with an AI index.
9 papers · 1 filter
Density and shape govern the dynamical self-organization of active matter on a droplet
Romain Leroux, Andre Estevez-Torres, Raphael Voituriez +3
Morphogenesis emerges from dynamic feedback among geometry, mechanics, and chemistry; however, disentangling these contributions in living systems remains challenging. Here, we foc…
Eppur si muove: Shape of topological defects -- and consequent motion -- in active nematics
Giacomo Marco La Montagna, Sumeja Burekovic, Ananyo Maitra +1
Topological defects in systems with liquid-crystalline order are crucial in determining their large-scale properties. In active systems, they are known to have properties impossibl…
Screw Symmetry, Chiral Hydrodynamics and Odd Instability in Active Cholesterics
Gareth P. Alexander, S. J. Kole, Ananyo Maitra +1
Active cholesterics are chiral in both their structure, which has continuous screw symmetry, and their active stresses, which include contributions from torque dipoles. Both expres…
Edge states, pairing, and sorting of motile chiral particles
Raushan Kant, Ananyo Maitra, A K Sood +1
We present experiments on chiral active polar particles, realized as vibrated granular rods, revealing the formation of robust ``skipping orbits'' at hard boundaries. These edge st…
Response to the comment on The inconvenient truth about flocks by Chaté and Solon
Leiming Chen, Patrick Jentsch, Chiu Fan Lee +3
This is our response to the comment arXiv:2504.13683 posted by Chaté and Solon in reference to our preprint arXiv:2503.17064
The inconvenient truth about flocks
Leiming Chen, Patrick Jentsch, Chiu Fan Lee +3
We reanalyze the hydrodynamic theory of "flocks" that is, polar ordered "dry" active fluids in two dimensions. For "Malthusian" flocks, in which birth and death cause the density t…