Living and active matter

The most striking example of a non-equilibrium system is life itself. We draw on concepts from bifurcation theory, statistical physics, and hydrodynamics to study many-body living systems. Earlier work explored collective behaviors in active matter such as animal herds, and human residential dynamics. Current research focuses on biological systems.

Relevant publications:

1. D. Martin, D. Seara, Y. Avni, M. Fruchart and V. Vitelli, Transition to Collective Motion in Nonreciprocal Active Matter: Coarse Graining Agent-Based Models into Fluctuating Hydrodynamics‏. Phys. Rev. X 15, 041015 ‏(2025).

2. D. Seara, J. Colen, M. Fruchart, Y. Avni, D. Martin and V. Vitelli, Sociohydrodynamics: Data-Driven Modeling of Social Behavior. Proc. Natl. Acad. Sci. USA 122, e2508692122 (2025).