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Tunable diffusion of magnetic particles in a quasi-one-dimensional channel
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| Abstract |
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| The diffusion of a system of ferromagnetic dipoles confined in a quasi-one-dimensional parabolic trap is studied using Brownian dynamics simulations. We show that the dynamics of the system is tunable by an in-plane external homogeneous magnetic field. For a strong applied magnetic field, we find that the mobility of the system, the exponent of diffusion, and the crossover time among different diffusion regimes can be tuned by the orientation of the magnetic field. For weak magnetic fields, the exponent of diffusion in the subdiffusive regime is independent of the orientation of the external field. DOI: 10.1103/PhysRevE.87.012307 | | |
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English
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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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Melville, N.Y. : American Physical Society, 2013
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1539-3755 [print]
1550-2376 [online]
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87:1(2013), p. 1-9
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| Article Reference |
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012307
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000314152300005
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E-only publicatie
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