dc.creator | Fodor, Etienne Paul | |
dc.creator | Nardini, Cesare | |
dc.creator | Cates, Michael Elmhirst | |
dc.creator | Tailleur, Julien | |
dc.creator | Visco, Paolo | |
dc.creator | van, Wijland Frédéric | |
dc.date.accessioned | 2016-06-09 | |
dc.date.accessioned | 2018-11-24T23:19:03Z | |
dc.date.available | 2016-07-07T15:48:11Z | |
dc.date.available | 2018-11-24T23:19:03Z | |
dc.date.issued | 2016 | |
dc.identifier | https://www.repository.cam.ac.uk/handle/1810/256677 | |
dc.identifier.uri | http://repository.aust.edu.ng/xmlui/handle/123456789/3398 | |
dc.description.abstract | Active matter systems are driven out of thermal equilibrium by a lack of generalized Stokes-Einstein relation between injection and dissipation of energy at the microscopic scale. We consider such a system of interacting particles, propelled by persistent noises, and show that, at small but finite persistence time, their dynamics still satisfy a time-reversal symmetry. To do so, we compute perturbatively their steady-state measure and show that, for short persistent times, the entropy production rate vanishes. This endows such systems with an effective Fluctuation-Dissipation theorem akin to that of thermal equilibrium systems. Last we show how interacting particle systems with viscous drags and correlated noises can be seen as in equilibrium with a visco-elastic bath but driven out of equilibrium by non-conservative forces, hence providing an energetic insight on the departure of active systems from equilibrium. | |
dc.language | en | |
dc.publisher | American Physical Society | |
dc.publisher | Physical Review Letters | |
dc.rights | http://creativecommons.org/licenses/by-nc/4.0/ | |
dc.rights | Attribution-NonCommercial 4.0 International | |
dc.title | How far from equilibrium is active matter? | |
dc.type | Article | |