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Dynamics of colloidal suspensions of ferromagnetic particles in plane Couette flow: comparison of approximate
Patrick Ilg1, Martin Kröger, Siegfried Hess
1Institut für Theoretische Physik, Technische Universität Berlin, Germany. ilg@physik.tu-berlin.de
Abstract:
The stationary and oscillatory properties of dilute ferromagnetic colloidal suspensions in plane Couette flow are studied. Analytical expressions for the off-equilibrium magnetization and the shear viscosity are obtained within the so-called effective field approximation. We also investigate the predictions of a different approximation based on the linearized moment expansion. Direct numerical simulation of the kinetic model are performed in order to test the range of validity of these approximations.
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