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Kubo formulas for dispersion in heterogeneous periodic nonequilibrium systems
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| dc.contributor.author | GUÉRIN, T. | |
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| dc.contributor.author | DEAN, David S. | |
| dc.date.created | 2015-09-03 | |
| dc.date.issued | 2015-12-02 | |
| dc.identifier.issn | 1539-3755 | |
| dc.description.abstractEn | We consider the dispersion properties of tracer particles moving in non-equilibrium heterogeneous periodic media. The tracer motion is described by a Fokker-Planck equation with arbitrary spatially periodic (but constant in time) local diffusion tensors and drift, eventually with the presence of obstacles. We derive a Kubo-like formula for the time dependent effective diffusion tensor valid in any dimension. From this general formula, we derive expressions for the late time effective diffusion tensor and drift in these systems. In addition, we find an explicit formula for the late finite time corrections to these transport coefficients. In one dimension, we give closed analytical formula for the transport coefficients. The formulas derived here are very general and provide a straightforward method to compute the dispersion properties in arbitrary non-equilibrium periodic advection-diffusion systems. | |
| dc.language.iso | en | |
| dc.publisher | American Physical Society | |
| dc.rights.uri | http://creativecommons.org/licenses/by-sa/ | |
| dc.subject.en | Classical transport | |
| dc.subject.en | Stochastic processes | |
| dc.subject.en | Stochastic analysis methods | |
| dc.title.en | Kubo formulas for dispersion in heterogeneous periodic nonequilibrium systems | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1103/PhysRevE.92.062103 | |
| dc.subject.hal | Physique [physics]/Matière Condensée [cond-mat]/Mécanique statistique [cond-mat.stat-mech] | |
| dc.identifier.arxiv | 1509.02733 | |
| bordeaux.journal | Physical Review E : Statistical, Nonlinear, and Soft Matter Physics | |
| bordeaux.page | 062103 (1-11) | |
| bordeaux.volume | 92 | |
| bordeaux.issue | 6 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-01252573 | |
| hal.version | 1 | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-01252573v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Physical%20Review%20E%20:%20Statistical,%20Nonlinear,%20and%20Soft%20Matter%20Physics&rft.date=2015-12-02&rft.volume=92&rft.issue=6&rft.spage=062103%20(1-11)&rft.epage=062103%20(1-11)&rft.eissn=1539-3755&rft.issn=1539-3755&rft.au=GU%C3%89RIN,%20T.&DEAN,%20David%20S.&rft.genre=article |
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