Diffusion in Fluctuating Media: Resonant Activation

8 pages, 4 figures.-- PACS nrs.: 46.65.+g, 05.40.FW., 05.10.Ln., 02.50.Eg.-- ArXiv pre-print available: http://arxiv.org/abs/cond-mat/0307566 [title: "Diffusion in Fluctuating Media: The Resonant Activation Problem"].

Detalles Bibliográficos
Autores: Revelli, Jorge A., Budde, Carlos E., Wio, Horacio S.
Tipo de recurso: artículo
Fecha de publicación:2004
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/7488
Acceso en línea:http://hdl.handle.net/10261/7488
Access Level:acceso abierto
Palabra clave:Resonant Activation
Mean First Passage Time
Random-walk
Fluctuating media
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spelling Diffusion in Fluctuating Media: Resonant ActivationDiffusion in Fluctuating Media: The Resonant Activation ProblemRevelli, Jorge A.Budde, Carlos E.Wio, Horacio S.Resonant ActivationMean First Passage TimeRandom-walkFluctuating media8 pages, 4 figures.-- PACS nrs.: 46.65.+g, 05.40.FW., 05.10.Ln., 02.50.Eg.-- ArXiv pre-print available: http://arxiv.org/abs/cond-mat/0307566 [title: "Diffusion in Fluctuating Media: The Resonant Activation Problem"].Paper included in "Proceedings of the VIII Latin American Workshop on Nonlinear Phenomena" (Salvador, Bahia, Brazil, 28 September-03 October 2003, edited by R.F.S. Andrade, S.R.T. Pinho and S.R.A. Salinas).We present a one-dimensional model for diffusion in a fluctuating lattice; that is a lattice which can be in two or more states. Transitions between the lattice states are induced by a combination of two processes: one periodic deterministic and the other stochastic. We study the dynamics of a system of particles moving in that medium, and characterize the problem from different points of view: mean first passage time (MFPT), probability of return to a given site (P_{s_0}), and the total length displacement or number of visited lattice sites (Λ). We observe a double resonant activation-like phenomenon when we plot the MFPT and P_{s_0} as functions of the intensity of the transition rate stochastic component.HSW acknowledges the partial support from ANPCyT, Argentine, and thanks the MECyD, Spain, for an award within the Sabbatical Program for Visiting Professors, and to the Universitat de les Illes Balears for the kind hospitality extended to him.Peer reviewedElsevier200820082004info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_65012373 bytes173552 bytestext/plainapplication/pdfhttp://hdl.handle.net/10261/7488reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttp://dx.doi.org/10.1016/j.physa.2004.04.052info:eu-repo/semantics/openAccessoai:digital.csic.es:10261/74882026-05-22T06:33:51Z
dc.title.none.fl_str_mv Diffusion in Fluctuating Media: Resonant Activation
Diffusion in Fluctuating Media: The Resonant Activation Problem
title Diffusion in Fluctuating Media: Resonant Activation
spellingShingle Diffusion in Fluctuating Media: Resonant Activation
Revelli, Jorge A.
Resonant Activation
Mean First Passage Time
Random-walk
Fluctuating media
title_short Diffusion in Fluctuating Media: Resonant Activation
title_full Diffusion in Fluctuating Media: Resonant Activation
title_fullStr Diffusion in Fluctuating Media: Resonant Activation
title_full_unstemmed Diffusion in Fluctuating Media: Resonant Activation
title_sort Diffusion in Fluctuating Media: Resonant Activation
dc.creator.none.fl_str_mv Revelli, Jorge A.
Budde, Carlos E.
Wio, Horacio S.
author Revelli, Jorge A.
author_facet Revelli, Jorge A.
Budde, Carlos E.
Wio, Horacio S.
author_role author
author2 Budde, Carlos E.
Wio, Horacio S.
author2_role author
author
dc.subject.none.fl_str_mv Resonant Activation
Mean First Passage Time
Random-walk
Fluctuating media
topic Resonant Activation
Mean First Passage Time
Random-walk
Fluctuating media
description 8 pages, 4 figures.-- PACS nrs.: 46.65.+g, 05.40.FW., 05.10.Ln., 02.50.Eg.-- ArXiv pre-print available: http://arxiv.org/abs/cond-mat/0307566 [title: "Diffusion in Fluctuating Media: The Resonant Activation Problem"].
publishDate 2004
dc.date.none.fl_str_mv 2004
2008
2008
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url http://hdl.handle.net/10261/7488
dc.language.none.fl_str_mv Inglés
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dc.relation.none.fl_str_mv http://dx.doi.org/10.1016/j.physa.2004.04.052
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dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
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