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TZID:Europe/Paris
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UID:0-988@lptms.universite-paris-saclay.fr
DTSTART;TZID=Europe/Paris:20250225T110000
DTEND;TZID=Europe/Paris:20250225T120000
DTSTAMP:20250218T101829Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/seminaire-du-lptm
 s-kristian-olsen-dusseldorf-university/
SUMMARY:Séminaire du LPTMS : Kristian Olsen (Düsseldorf University) - Sal
 le des séminaires du FAST et du LPTMS\, bâtiment Pascal n°530 - 25 Fév
  25 11:00
DESCRIPTION:Optimal protocols out of equilibrium: from work extraction to e
 fficient stochastic resetting\nKristian Olsen (Düsseldorf University)\n&n
 bsp\;\nAs experimental techniques increasingly enable precise manipulation
  at the microscale\, extending thermodynamic principles to this regime bec
 omes essential. Stochastic thermodynamics provides a powerful framework fo
 r understanding small-scale systems\, where fluctuations and noise play a 
 dominant role. A key challenge is designing optimal control strategies tha
 t minimize thermodynamic cost while guiding a system between desired state
 s. While much progress has been made in the control of passive colloids\, 
 less is known about systems driven from equilibrium.\n\nIn this talk\, I w
 ill discuss optimal control strategies for transporting a particle between
  two locations under arbitrary time-dependent driving forces. These forces
  may arise from external fields\, such as fluid flows or electromagnetic f
 orces\, or internal mechanisms\, such as self-propulsion in active matter 
 systems. I will present optimal protocols that incorporate information abo
 ut the non-equilibrium driving forces\, demonstrating how such information
  can enhance protocol efficiency and even result in net work extraction. T
 wo examples are considered\; i) a passive colloid experiencing periodic fo
 rces\, which acts as an automatic information engine\, and ii) optimal con
 trol of an active particle with a perspective towards stochastic resetting
 .
CATEGORIES:seminars
LOCATION:Salle des séminaires du FAST et du LPTMS\, bâtiment Pascal n°53
 0\, rue André Riviere\, Orsay\, 91405\, France
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=rue André Riviere\, Orsay\
 , 91405\, France;X-APPLE-RADIUS=100;X-TITLE=Salle des séminaires du FAST 
 et du LPTMS\, bâtiment Pascal n°530:geo:0,0
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DTSTART:20241027T020000
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