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Title: | Coarse-graining and thermodynamics in far-from-equilibrium systems |
Author: | Rubí Capaceti, José Miguel Pérez Madrid, Agustín |
Keywords: | Termodinàmica del desequilibri Física estadística Processos estocàstics Mecànica estadística del no equilibri Nonequilibrium thermodynamics Statistical physics Stochastic processes Nonequilibrium statistical mechanics |
Issue Date: | 1-May-2013 |
Publisher: | Jagiellonian University |
Abstract: | Lying at the core of statistical physics is the need to reduce the number of degrees of freedom in a system. Coarse-graining is a frequently-used procedure to bridge molecular modeling with experiments. In equilibrium systems, this task can be readily performed; however in systems outside equilibrium, a possible lack of equilibration of the eliminated degrees of freedom may lead to incomplete or even misleading descriptions. Here, we present some examples showing how an improper coarse-graining procedure may result in linear approaches to nonlinear processes, miscalculations of activation rates and violations of the fluctuation-dissipation theorem. |
Note: | Reproducció del document publicat a: http://dx.doi.org/10.5506/APhysPolB.44.913 |
It is part of: | Acta Physica Polonica B, 2013, vol. 44, num. 5, p. 913-923 |
URI: | http://hdl.handle.net/2445/52692 |
Related resource: | http://dx.doi.org/10.5506/APhysPolB.44.913 |
ISSN: | 0587-4254 |
Appears in Collections: | Articles publicats en revistes (Física de la Matèria Condensada) |
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