On the Heat Flux and Entropy Produced by Thermal Fluctuations Sergio Ciliberto, Alberto Imparato, Antoine Naert, Marius Tanase
On the heat flux and entropy produced by thermal fluctuations Sergio Ciliberto, Alberto Imparato, Antoine Naert, Marius Tanase To cite this version: Sergio Ciliberto, Alberto Imparato, Antoine Naert, Marius Tanase. On the heat flux and entropy produced by thermal fluctuations. PRL, 2013, 110, p.180601, pp.4. ensl-00777700v2 HAL Id: ensl-00777700 https://hal-ens-lyon.archives-ouvertes.fr/ensl-00777700v2 Submitted on 6 Apr 2013 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. On the heat flux and entropy produced by thermal fluctuations S. Ciliberto1, A.Imparato2, A. Naert1, M. Tanase 1 1 Laboratoire de Physique, Ecole´ Normale Sup´erieure, C.N.R.S. UMR5672 46 All´eed'Italie, 69364 Lyon, France and 2 Department of Physics and Astronomy, University of Aarhus Ny Munkegade, Building 1520, DK{8000 Aarhus C, Denmark We report an experimental and theoretical analysis of the energy exchanged between two con- ductors kept at different temperature and coupled by the electric thermal noise. Experimentally we determine, as functions of the temperature difference, the heat flux, the out-of- equilibrium variance and a conservation law for the fluctuating entropy, which we justify theoretically.
[Show full text]