Please use this identifier to cite or link to this item:
http://hdl.handle.net/2445/18785
Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Reguera, D. (David) | cat |
dc.contributor.author | Rubí Capaceti, José Miguel | cat |
dc.date.accessioned | 2011-07-07T12:52:42Z | - |
dc.date.available | 2011-07-07T12:52:42Z | - |
dc.date.issued | 2001 | - |
dc.identifier.issn | 1063-651X | - |
dc.identifier.uri | http://hdl.handle.net/2445/18785 | - |
dc.description.abstract | We use the mesoscopic nonequilibrium thermodynamics theory to derive the general kinetic equation of a system in the presence of potential barriers. The result is applied to a description of the evolution of systems whose dynamics is influenced by entropic barriers. We analyze in detail the case of diffusion in a domain of irregular geometry in which the presence of the boundaries induces an entropy barrier when approaching the exact dynamics by a coarsening of the description. The corresponding kinetic equation, named the Fick-Jacobs equation, is obtained, and its validity is generalized through the formulation of a scaling law for the diffusion coefficient which depends on the shape of the boundaries. The method we propose can be useful to analyze the dynamics of systems at the nanoscale where the presence of entropy barriers is a common feature. | eng |
dc.format.extent | 9 p. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | eng |
dc.publisher | The American Physical Society | eng |
dc.relation.isformatof | Reproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevE.64.061106 | cat |
dc.relation.ispartof | Physical Review E, 2001, vol. 64, núm. 6, p. 061106-1-061106-8 | - |
dc.relation.uri | http://dx.doi.org/10.1103/PhysRevE.64.061106 | - |
dc.rights | (c) American Physical Society, 2001 | - |
dc.source | Articles publicats en revistes (Física de la Matèria Condensada) | - |
dc.subject.classification | Física estadística | cat |
dc.subject.classification | Termodinàmica | cat |
dc.subject.classification | Sistemes no lineals | cat |
dc.subject.classification | Matèria condensada | cat |
dc.subject.other | Statistical physics | eng |
dc.subject.other | Thermodynamics | eng |
dc.subject.other | Nonlinear systems | eng |
dc.subject.other | Condensed matter | eng |
dc.title | Kinetic equations for difussion in the presence of entropic barriers | eng |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 514161 | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
Appears in Collections: | Articles publicats en revistes (Física de la Matèria Condensada) |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
514161.pdf | 200.84 kB | Adobe PDF | View/Open |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.