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arXiv · 1204.3252

The critical current density in type-II superconducting bulk materials

Ming Ju Chou·Wei Yeu Chen
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Abstract

The critical current density Jc in type-II conventional and high-Tc superconducting bulk materials is investigated based on the quantum theory for the vortex dynamics. It is shown that for a constant magnetic field, the critical current density Jc decreases weakly with increasing temperature when T T_f,Jc decays exponentially; while for a constant temperature, Jc first decreases, then increases after reaching a maximum, and finally decreases again as the magnetic field increases. These results are in agreement with the experiments.

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Ming Ju Chou, Wei Yeu Chen. 2012-04-15. The critical current density in type-II superconducting bulk materials. https://arxiv.org/abs/1204.3252

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