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SUMMARY:Thermodynamic nature of irreversibility in active matter - Ralf Ei
 chhorn (Nordita\, Sweden)
DTSTART:20240917T120000Z
DTEND:20240917T130000Z
UID:TALK220897@talks.cam.ac.uk
CONTACT:Sarah Loos
DESCRIPTION:Active matter describes systems whose constituents convert ene
 rgy from their surroundings into directed motion\, such as bacteria or cat
 alytic colloids. We present a thermodynamic law for suspensions of such ac
 tive particles in the form of a remarkable direct link between their dynam
 ics and thermodynamics: The irreversibility is a state function of the the
 rmodynamic system parameters for low particle density\, most importantly t
 he swim pressure. Like in the famous fluctuation theorems of stochastic th
 ermodynamics\, irreversibility is a dynamical measure that quantifies the 
 amount by which microscopic particle trajectories break time-reversal symm
 etry\, without reference to the typically unobservable processes underlyin
 g self-propulsion.
LOCATION:Center for Mathematical Sciences\, Lecture room MR4
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