Author

L. Caprini

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Preprint Oct 2026

Metastability and nucleation of bubbles in active chiral systems

Bubbles frequently emerge in dense chiral active fluids, yet it remains unclear whether they result from an instability of the homogeneous state or from rare nucleation events within a metastable phase. Here we develop a nucleation theory for chiral bubble formation by reducing the hydrodynamic equations to a single co...

R. Maire, Alessandro Petrini, U. Marconi et al. · 0 citations

Preprint Aug 2026

Jerky Motion of Active Granular Particles

Abrupt transitions between rest and motion can render the standard Newtonian description -- based on position, velocity, and acceleration -- incomplete, requiring higher-order derivatives such as the jerk, the third time derivative of position. Here, we show that the interplay between activity and dry friction gives ri...

Alexander P. Antonov, Marco Musacchio, H. Löwen et al. · 1 citation