Current and field penetration in a superconductor in the field of a permanent magnet

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Abstract

We calculate the current and field profiles in a finite cylindric type-II superconducting sample which result from displacing it within the magnetic field created by a coaxial permanent magnet. The method of calculation is based on minimizing the magnetic energy in the superconductor, by introducing currents with a maximum density, following the critical-state model. The effects of the superconductor finite size are fully incorporated in the calculations. The lévitation force of such a system is calculated from the previous results. © 1999 IEEE.
Original languageEnglish
Pages (from-to)1610-1613
JournalIEEE Transactions on Applied Superconductivity
Volume9
DOIs
Publication statusPublished - 1 Dec 1999

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