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Title
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Single-file and normal diffusion of magnetic colloids in modulated channels
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Author
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Abstract
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| Diffusive properties of interacting magnetic dipoles confined in a parabolic narrow channel and in the presence of a periodic modulated (corrugated) potential along the unconfined direction are studied using Brownian dynamics simulations. We compare our simulation results with the analytical result for the effective diffusion coefficient of a single particle by Festa and d'Agliano [Physica A 90, 229 (1978)] and show the importance of interparticle interaction on the diffusion process. We present results for the diffusion of magnetic dipoles as a function of linear density, strength of the periodic modulation and commensurability factor. |
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Language
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English
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Source (journal)
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Physical review : E : statistical, nonlinear, and soft matter physics / American Physical Society. - Melville, N.Y., 2001 - 2015
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Publication
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Melville, N.Y.
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American Physical Society
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2014
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ISSN
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1539-3755
[print]
1550-2376
[online]
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DOI
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10.1103/PHYSREVE.89.032306
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Volume/pages
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89
:3
(2014)
, p. 1-9
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Article Reference
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032306
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ISI
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000333646400005
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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