Article (Scientific journals)
Energy versus Information Based Estimations of Dissipation Using a Pair of Magnetic Colloidal Particles
Tusch, Simon; Kundu, Anupam; Verley, Gatien et al.
2014In Physical Review Letters, 112 (18), p. 180604
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Abstract :
[en] Using the framework of stochastic thermodynamics, we present an experimental study of a doublet of magnetic colloidal particles that is manipulated by a time-dependent magnetic field. Because of hydrodynamic interactions, each bead experiences a state-dependent friction, which we characterize using a hydrodynamic model. In this work, we compare two estimates of the dissipation in this system: the first one is energy based since it relies on the measured interaction potential, while the second one is information based since it uses only the information content of the trajectories. While the latter only offers a lower bound of the former, we find it to be simple to implement and of general applicability to more complex systems.
Disciplines :
Physics
Author, co-author :
Tusch, Simon;  ESPCI, 10 rue Vauquelin, F-75231 Paris, France > Laboratoire LCMD
Kundu, Anupam;  ESPCI, 10 rue Vauquelin, F-75231 Paris, France > Laboratoire de Physico-Chimie Théorique, UMR CNRS Gulliver 7083
Verley, Gatien ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Blondel, Thibaud;  ESPCI, 10 rue Vauquelin, F-75231 Paris, France > Laboratoire de Physico-Chimie Théorique, UMR CNRS Gulliver 7083
Miralles, Vincent;  ESPCI, 10 rue Vauquelin, F-75231 Paris, France > Laboratoire LCMD
Démoulin, Damien;  ESPCI, 10 rue Vauquelin, F-75231 Paris, France > Laboratoire LCMD
Lacoste, David;  ESPCI, 10 rue Vauquelin, F-75231 Paris, France > Laboratoire de Physico-Chimie Théorique, UMR CNRS Gulliver 7083
Baudry, Jean;  ESPCI, 10 rue Vauquelin, F-75231 Paris, France > Laboratoire LCMD
Language :
English
Title :
Energy versus Information Based Estimations of Dissipation Using a Pair of Magnetic Colloidal Particles
Publication date :
09 May 2014
Journal title :
Physical Review Letters
ISSN :
1079-7114
Publisher :
American Physical Society, Ridge, United States - New York
Volume :
112
Issue :
18
Pages :
180604
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 29 August 2014

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