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SUMMARY:Second law of thermodynamics at stopping times - Izaak Neri\, King
 's College London
DTSTART:20191029T130000Z
DTEND:20191029T140000Z
UID:TALK130117@talks.cam.ac.uk
CONTACT:Etienne Fodor
DESCRIPTION:Events in mesoscopic processes often take place at random time
 s. Take for instance the example of a colloidal particle escaping from a m
 etastable state. An interesting question is how much work an external agen
 t has exerted on the particle when it escapes the metastable state. In ord
 er to address this question\, we  develop a thermodynamics theory for even
 ts that take place at random times. To this aim\, we apply the theory of s
 tochastic thermodynamics\, which is  a thermodynamics theory for mesoscopi
 c systems\, to ensembles of trajectories terminating at random times. Usin
 g results from martingale theory\, we obtain a thermodynamic bound\, remin
 iscent of the second law of thermodynamics\, for the work exerted by an ex
 ternal protocol on a mesoscopic system at random times. 
LOCATION:MR11\, CMS
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