2 papers
cond-mat.soft2025
Fluctuation-Induced First Order Transition to Collective Motion
David Martin, Gianmarco Spera, Hugues Chaté +4
The nature of the transition to collective motion in assemblies of aligning self-propelled particles remains a long-standing matter of debate. In this article, we focus on dry acti…
cond-mat.stat-mech2024
Flocking in One Dimension: Asters and Reversals
Brieuc Benvegnen, Hugues Chaté, Pavel Krapivsky +2
We study the one-dimensional active Ising model in which aligning particles undergo diffusion biased by the signs of their spins. The phase diagram obtained varying the density of…