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首页> 外文期刊>The European physical journal, B. Condensed matter physics >Application of percolation theory to current transfer in granular superconductors
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Application of percolation theory to current transfer in granular superconductors

机译：渗流理论在颗粒超导体电流传递中的应用

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摘要

We investigate the description of current transfer in polycrystalline superconductors by percolation theory and its limitations. Various computer models that have been proposed are reviewed and related to the experimental and theoretical framework. While some conductor properties can be well described by percolation theory and models, we argue that a conceptual gap exists between experiment and theory. This gap has to be bridged by finding relations between electromagnetic and statistical parameters. We derive various such relations and compare them with recent simulation data. In particular, we suggest a new scaling law between the two fundamental variables "current" and "probability".
机译：我们通过渗流理论研究了多晶超导体中电流转移的描述及其局限性。审查已提出的各种计算机模型，并与实验和理论框架相关。虽然可以通过渗流理论和模型很好地描述某些导体的性能，但我们认为实验和理论之间存在概念上的差距。必须通过找到电磁参数和统计参数之间的关系来弥合这一差距。我们得出了各种这样的关系，并将它们与最新的仿真数据进行比较。特别是，我们建议在两个基本变量“当前”和“概率”之间建立新的缩放定律。

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