Abstract
Asymmetric magnetization loops with a second peak effect were parameterized by the extended critical-state model. The magnetic field distribution in a sample is considered. An expression is suggested for a peak of the critical current density and corresponding depression on field dependence of the depth of surface layer with equilibrium magnetization. These functions determine the width and the asymmetry of a magnetization loop. The asymmetry of the secondary peak height on magnetization branches for increasing and decreasing field is reproduced on the computed magnetization curves.
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Acknowledgements
The work is supported by project No. 20 of RAS Program “Quantum mesoscopic and disordered structures” and grant No. 11-02-98007-p of Russian foundation for basic research.
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Gokhfeld, D.M. Secondary Peak on Asymmetric Magnetization Loop of Type-II Superconductors. J Supercond Nov Magn 26, 281–283 (2013). https://doi.org/10.1007/s10948-012-1741-8
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DOI: https://doi.org/10.1007/s10948-012-1741-8