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SUMMARY:Entropy production in active matter with aligning interactions - 
 Øyvind Borthne\, DAMTP
DTSTART:20191203T130000Z
DTEND:20191203T140000Z
UID:TALK130873@talks.cam.ac.uk
CONTACT:Etienne Fodor
DESCRIPTION:Many recent studies have addressed the role of the entropy pro
 duction rate (EPR) in characterizing nonequilibrium steady-state fluctuati
 ons. In active matter systems the production of entropy occurs on the scal
 e of each individual particle where persistent mechanical motion is genera
 ted from a local extraction of energy and subsequent dissipation of heat. 
 In this talk I will present unpublished results on the EPR in these system
 s\, with a particular emphasis on active matter with (metric and ferromagn
 etic) alignment interactions\, in conjunction with a review of the availab
 le literature. More specifically\, I will discuss both analytical as well 
 as numerical results we have obtained on the Toner-Tu field theory of the 
 transition to flocking\, as well as for some particle based models of alig
 ning active matter.
LOCATION:MR11\, CMS
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