Microscopic Analysis of Flux Structure in a Dirty Superconductor
Using the Bogoliubov-de Gennes equations with an impurity potential and the finite element method, we obtain vortex structures in a square dirty superconducting plate under an external magnetic field. Size of vortex core structure depends on the size of the impurity potential. In order to clarify or...
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| Veröffentlicht in: | IEEE transactions on applied superconductivity 2022-06, Vol.32 (4), p.1-4 |
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| container_title | IEEE transactions on applied superconductivity |
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| creator | Tamai, Takayuki Nishizaki, Terukazu Kato, Masaru |
| description | Using the Bogoliubov-de Gennes equations with an impurity potential and the finite element method, we obtain vortex structures in a square dirty superconducting plate under an external magnetic field. Size of vortex core structure depends on the size of the impurity potential. In order to clarify origins of the relations of vortex core and impurity sizes, we examine quasi-particle structures, especially bound states around the vortex core. Then we show how microscopic structure affects the vortex structure that is pinned at the impurity. |
| doi_str_mv | 10.1109/TASC.2022.3142656 |
| format | Article |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Computer simulation Elementary excitations Finite element method flux pinning Impurities Magnetic cores Magnetic fields magnetic flux Magnetic force microscopy Mathematical models Microscopy Type II superconductors Vortices |
| title | Microscopic Analysis of Flux Structure in a Dirty Superconductor |
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