Is Soret equilibrium a non-equlibrium effect?
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| dc.contributor.author | WÜRGER, Alois | |
| dc.date.issued | 2013-02-23 | |
| dc.description.abstractEn | Recent thermophoretic experiments on colloidal suspensions revived an old debate, namely whether the Soret effect is properly described by thermostatics, or necessarily requires nonequilibrium thermodynamics. Based on colloidal transport theory and the entropy production of the related viscous flow, our analysis leads to the conclusion that the equilibrium approach may work for small ions, yet fails for colloidal particles and polymers. Regarding binary molecular mixtures, our results shed some doubt on the validity of thermostatic approaches that derive the Soret coefficient from equilibrium potentials. | |
| dc.language.iso | en | |
| dc.publisher | Elsevier | |
| dc.rights.uri | http://creativecommons.org/licenses/by-nd/ | |
| dc.subject.en | Thermal diffusion | |
| dc.subject.en | Soret coefficient | |
| dc.subject.en | Non-equilibrium thermodynamics | |
| dc.subject.en | Out-of-equilibrium systems | |
| dc.subject.en | Onsager theory | |
| dc.title | Is Soret equilibrium a non-equlibrium effect? | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1016/j.crme.2013.02.006 | |
| dc.subject.hal | Physique [physics]/Matière Condensée [cond-mat]/Matière Molle [cond-mat.soft] | |
| bordeaux.journal | Comptes Rendus Mécanique | |
| bordeaux.page | 438-448 | |
| bordeaux.volume | 341 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00837587 | |
| hal.version | 1 | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00837587v1 | |
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