| Time-dependent Ginzburg–Landau equations for multi-gap superconductors |
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| 引用本文： | 李敏斯,古家虹,杜龙,钟红伟,周丽娟,陈庆华.Time-dependent Ginzburg–Landau equations for multi-gap superconductors[J].中国物理 B,2020(3):385-388. |
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| 作者姓名： | 李敏斯 古家虹 杜龙 钟红伟 周丽娟 陈庆华 |
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| 基金项目： | Project supported by the National Natural Science Foundation of China(Grant Nos.11564003 and 11865005);the Natural Science Foundation of Guangxi Province of China(Grant No.2018GXNSFAA281024)。 |
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| 摘 要： | We numerically solve the time-dependent Ginzburg–Landau equations for two-gap superconductors using the finite-element technique. The real-time simulation shows that at low magnetic field, the vortices in small-size samples tend to form clusters or other disorder structures. When the sample size is large, stripes appear in the pattern. These results are in good agreement with the previous experimental observations of the intriguing anomalous vortex pattern, providing a reliable theoretical basis for the future applications of multi-gap superconductors.
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| 关 键 词： | vortex multi-gap SUPERCONDUCTIVITY time dependent finite element technique |
Time-dependent Ginzburg–Landau equations for multi-gap superconductors |
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| Minsi Li,Jiahong Gu,Long Du,Hongwei Zhong,Lijuan Zhou,Qinghua Chen.Time-dependent Ginzburg–Landau equations for multi-gap superconductors[J].Chinese Physics B,2020(3):385-388. |
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| Authors: | Minsi Li Jiahong Gu Long Du Hongwei Zhong Lijuan Zhou Qinghua Chen |
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| Affiliation: | School of Science |
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| Abstract: | We numerically solve the time-dependent Ginzburg–Landau equations for two-gap superconductors using the finite-element technique. The real-time simulation shows that at low magnetic field, the vortices in small-size samples tend to form clusters or other disorder structures. When the sample size is large, stripes appear in the pattern. These results are in good agreement with the previous experimental observations of the intriguing anomalous vortex pattern, providing a reliable theoretical basis for the future applications of multi-gap superconductors. |
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| Keywords: | vortex multi-gap superconductivity time dependent finite element technique |
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