Levitation of Magnets and Paramagnetic Bodies in Vessels Filled with Magnetic Fluid |
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Authors: | A S Kvitantsev V A Naletova V A Turkov |
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Institution: | (1) FAST Laboratory, UPMC-Paris6/CNRS, Campus Universitaire, 91405 Orsay, France;(2) Department of Physics, Case Western Reserve University, Cleveland, OH 44106-7079, USA; |
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Abstract: | Formulas are obtained for the forces and moments acting on a spherical body made of a paramagnetic material in an uniform applied magnetic field and a magnet in a spherical vessel filled with magnetic fluid. An approximate formula is found for the force acting on bodies in ellipsoidal and cylindrical vessels or in a plane channel with a magnetic fluid in an uniform magnetic field. An analogy between the forces acting on a magnet and a paramagnetic body is demonstrated. The possibility of levitation of magnets and paramagnetic bodies in a vessel with a magnetic fluid is investigated. |
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