The time-reversal symmetry of nonequilibrium fluctuations is experimentally investigated in two out-
of-equilibrium systems: namely, a Brownian particle in a trap moving at constant speed and an electric
circuit with an imposed mean current. The dynamical randomness of their nonequilibrium fluctuations is
characterized in terms of the standard and time-reversed entropies per unit time of dynamical systems
theory. We present experimental results showing that their difference equals the thermodynamic entropy
production in units of Boltzmann’s constant.
%0 Journal Article
%1 andrieux:150601
%A Andrieux, D.
%A Gaspard, P.
%A Ciliberto, S.
%A Garnier, N.
%A Joubaud, S.
%A Petrosyan, A.
%D 2007
%I APS
%J Physical Review Letters
%K brownian dynamics entropy experiments flictuations imported nonequilibrium physics processes stochastic
%N 15
%P 150601
%T Entropy Production and Time Asymmetry in Nonequilibrium Fluctuations
%U http://link.aps.org/abstract/PRL/v98/e150601
%V 98
%X The time-reversal symmetry of nonequilibrium fluctuations is experimentally investigated in two out-
of-equilibrium systems: namely, a Brownian particle in a trap moving at constant speed and an electric
circuit with an imposed mean current. The dynamical randomness of their nonequilibrium fluctuations is
characterized in terms of the standard and time-reversed entropies per unit time of dynamical systems
theory. We present experimental results showing that their difference equals the thermodynamic entropy
production in units of Boltzmann’s constant.
@article{andrieux:150601,
abstract = { The time-reversal symmetry of nonequilibrium fluctuations is experimentally investigated in two out-
of-equilibrium systems: namely, a Brownian particle in a trap moving at constant speed and an electric
circuit with an imposed mean current. The dynamical randomness of their nonequilibrium fluctuations is
characterized in terms of the standard and time-reversed entropies per unit time of dynamical systems
theory. We present experimental results showing that their difference equals the thermodynamic entropy
production in units of Boltzmann’s constant.
},
added-at = {2007-04-12T18:06:40.000+0200},
author = {Andrieux, D. and Gaspard, P. and Ciliberto, S. and Garnier, N. and Joubaud, S. and Petrosyan, A.},
biburl = {https://www.bibsonomy.org/bibtex/2d3f0e67942afdcded3c689280a6cf27e/andreab},
eid = {150601},
interhash = {fb5eab30cd53d3ca6f769868553339e3},
intrahash = {d3f0e67942afdcded3c689280a6cf27e},
journal = {Physical Review Letters},
keywords = {brownian dynamics entropy experiments flictuations imported nonequilibrium physics processes stochastic},
number = 15,
numpages = {4},
pages = 150601,
publisher = {APS},
timestamp = {2007-04-12T18:06:40.000+0200},
title = {Entropy Production and Time Asymmetry in Nonequilibrium Fluctuations},
url = {http://link.aps.org/abstract/PRL/v98/e150601},
volume = 98,
year = 2007
}