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Static and dynamic forces on a permanent magnet levitating between superconducting surfaces

URN to cite this document:
urn:nbn:de:bvb:355-epub-188044
Barowski, H. ; Sattler, K. M. ; Schoepe, Wilfried
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Date of publication of this fulltext: 17 Dec 2010 07:13


Abstract

A charged magnetic microsphere (radius 100 µm) is levitating inside a superconducting niobium capacitor. Because of its charge of about 1 pC, oscillations about the equilibrium position can be excited and detected electrically. The properties of this oscillator are investigated in order to study the static and dynamic forces of magnetic levitation. We find resonance frequencies between 200 Hz and ...

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