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Title Temperature effects on drift of suspended single-domain particles induced by the Magnus force
Authors Denysov, Stanislav Ivanovych  
Denisov, Stanislav Ivanovych
Liutyi, Taras Volodymyrovych  
Lyutyy, Taras Volodymyrovych
Reva, Vladyslav Valeriiovych
Єрмоленко, Андрій Сергійович
Ермоленко, Андрей Сергеевич
Yermolenko, Andrii Seriyovych
Keywords temperature effects
Magnus force
Type Article
Date of Issue 2018
URI http://essuir.sumdu.edu.ua/handle/123456789/70764
Publisher American Physical Society
License
Citation Temperature effects on drift of suspended single-domain particles induced by the Magnus force [Текст] / S.I. Denisov, T.V. Lyutyy, V.V. Reva, A.S. Yermolenko // Physical Review E. - 2018. - № 97(3). - 032608. - DOI: 10.1103/PhysRevE.97.032608.
Abstract We study the temperature dependence of the drift velocity of single-domain ferromagnetic particles induced by the Magnus force in a dilute suspension. A set of stochastic equations describing the translational and rotational dynamics of particles is derived, and the particle drift velocity that depends on components of the average particle magnetization is introduced. The Fokker-Planck equation for the probability density of magnetization orientations is solved analytically in the limit of strong thermal fluctuations for both the planar rotor and general models. Using these solutions, we calculate the drift velocity and show that the out-of-plane fluctuations of magnetization, which are not accounted for in the planar rotor model, play an important role. In the general case of arbitrary fluctuations, we investigate the temperature dependence of the drift velocity by numerically simulating a set of effective stochastic differential equations for the magnetization dynamics.
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