Numerical Analysis of Influence of Surface Barrier on Current-Voltage Characteristics for Narrow Superconducting Lines.
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The variation of critical current density with reduced line width and the temperature dependence of voltage for superconducting narrow lines are calculated theoretically. Critical currents of superconducting narrow lines increase progressively as the lines become narrower. The surface barriers for superconducting narrow lines are discussed in order to understand the progressive increase in critical currents of superconducting narrow lines. Furthermore, the thermally activated flux lines jumping over the surface barrier are discussed in order to understand the temperature dependence of voltage for superconducting narrow lines. The results of calculation using the surface barriers agree well with experimental results.
- 公益社団法人 応用物理学会の論文
公益社団法人 応用物理学会 | 論文
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