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Levitation of a rapidly oscillating magnetic dipole above a metallic sheet

Authors:	B Shayak

Affiliation:	Department of Theoretical and Applied Mechanics, Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca – 14853, NY, USA

Abstract:	We show that such a magnetic dipole suspended at a height h above a conducting sheet experiences a lift force proportional to $1 / h^{2}$ . This represents an order of magnitude improvement over the $1 / h^{4}$ lift obtained in the quasistatic limit.

Keywords:	Magnetic dipole radiation Inverse quadratic force
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