Critical state magnetization of hard type-II superconductors with rectangular and cylindrical cross-sections |
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Authors: | Anjali B Riise T H Johansen H Bratsberg |
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Affiliation: | (1) Department of Physics, University of Oslo, 0316 Oslo 3, Norway |
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Abstract: | Magnetization loops in the critical state for the critical current density
and
are calculated. The geometry considered is an infinitely long superconductor with a finite cross-section in the shape of
a rectangle or circle. Explicit formulas are derived for the various branches of the complete high-field hysteresis loop.
In the discussion emphasis is put on the behavior of the width, δM, of the hysteresis loop, and a simple graphical method
to fit model parameters to experimental data is outlined. |
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Keywords: | Magnetization hysteresis type-II superconductors critical state critical current density |
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