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cond-mat.stat-mech2026
Emergent Symmetry in Constant-Density Flocks
Hugues Chaté, Alexandre Solon
In two dimensions, the ordered phase of constant-density flocks is described by a single angle field, which makes them arguably the simplest systems with a scale-free ordered phase…
cond-mat.stat-mech2024
Dynamic Scaling of Two-Dimensional Polar Flocks
Hugues Chaté, Alexandre Solon
We propose a hydrodynamic description of the homogeneous ordered phase of polar flocks. Starting from symmetry principles, we construct the appropriate equation for the dynamics of…