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A generic coupling between internal states and activity leads to activation fronts and criticality in active systems
Hadrien-Matthieu Gascuel, Parisa Rahmani, Richard Bon +1
To understand the onset of collective motion, we investigate active systems where particles switch on and off their self-propulsion. We prove that even when the only possible trans…
Active stop and go motion: a strategy to improve spatial exploration and survival
Fernando Peruani, Debasish Chaudhuri
We consider active Brownian particles that intermittently switch between active and inactive states. Such behavior is ubiquitous at all scales, from bacteria to animals and in arti…
When does an active bath behave as an equilibrium one?
Shubhendu Shekhar Khali, Fernando Peruani, Debasish Chaudhuri
Active baths are characterized by a non-Gaussian velocity distribution and a quadratic dependence with active velocity of the kinetic temperature and diffusion coefficient. W…