Force and torque on a sphere with electric dipole moment moving in a dielectric fluid in the presence of a uniform magnetic field

H.J. Kroh and B.U. Felderhof

Physica A: Statistical Mechanics and its Applications, 2000, vol. 280, issue 3, 256-265

Abstract: The torque exerted by a magnetic field on a sphere with permanent electric dipole moment moving steadily in a dielectric fluid is calculated to lowest order in the dipole moment. Hence the force exerted on a steadily rotating sphere with electric dipole moment is found by Onsager symmetry. The modification from the vacuum values of torque and force depends only on the slip parameter and the static dielectric constant of the fluid. It is suggested that for a macroscopic ferro electric sphere the calculated effects could be measured experimentally without great difficulty.

Keywords: Electrohydrodynamics; Friction tensor in magnetic field (search for similar items in EconPapers)
Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:280:y:2000:i:3:p:256-265

DOI: 10.1016/S0378-4371(00)00057-1

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