Heat, temperature and Clausius inequality in a model for active Brownian particles
Published: 21 April 2017 Umberto Marini Bettolo Marconi , Andrea Puglisi & Claudio Maggi Scientific Reports volume 7 , Article number: 46496 (2017) | Download Citation An Erratum to this article was published on 08 June 2018 Updated online 08 June 2018 Abstract Methods of stochastic thermodynamics and hydrodynamics are applied to a recently introduced model of active particles. The model consists of an overdamped particle subject to Gaussian coloured noise. Inspired by stochastic thermodynamics, we derive from the system’s Fokker-Planck equation the average exchanges of heat and work with the active bath and the associated entropy production. We show that a Clausius inequality holds, with the local (non-uniform) temperature of the active bath replacing the uniform temperature usually encountered in equilibrium systems. Furthermore, by restricting the dynamical space to the first velocity moments of the local dis...