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We study the temperature dependence of the drift velocity of single-domainferromagnetic particles induced by the Magnus force in a dilute suspension. Aset of stochastic equations describing the translational and rotationaldynamics of particles is derived, and the particle drift velocity that dependson components of the average particle magnetization is introduced. TheFokker-Planck equation for the probability density of magnetizationorientations is solved analytically in the limit of strong thermal fluctuationsfor both the planar rotor and general models. Using these solutions, wecalculate the drift velocity and show that the out-of-plane fluctuations ofmagnetization, which are not accounted for in the planar rotor model, play animportant role. In the general case of arbitrary fluctuations, we investigatethe temperature dependence of the drift velocity by numerically simulating aset of effective stochastic differential equations for the magnetizationdynamics.

Temperature effects on drift of suspended single-domain particles induced by the Magnus force