Critical current from surface barriers in type-II superconducting strips
Maamar Benkraouda, John R. Clem
DOI 10.1103/PhysRevB.58.15103 · Physical Review B
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Abstract
Extending a model we previously used to calculate magnetization hysteresis arising from the geometrical barrier in a flat, bulk-pinning-free type-II superconducting strip subjected to a perpendicular magnetic field Ha, we here calculate the contribution, arising from screening currents on the top and bottom surfaces, to the magnetic-field-dependent critical current Ic(Ha) due to surface barriers, including both the geometrical barrier and the Bean-Livingston barrier.
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