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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2023
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2310.13475 |
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| _version_ | 1866917585925177344 |
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| author | Prigozhin, Leonid Sokolovsky, Vladimir |
| author_facet | Prigozhin, Leonid Sokolovsky, Vladimir |
| contents | Ferromagnetic substrate influences the electromagnetic response of a type-II superconducting film to the applied magnetic field. We present a two-dimensional integrodifferential model for the magnetization of a flat superconductor/ferromagnet bilayer of an arbitrary shape using a thin shell quasistatic model for the ferromagnetic substrate and an infinitely thin approximation for the superconducting layer. An efficient numerical method is developed and used to investigate the effect of a ferromagnetic substrate. In particular, we simulate the thin bilayer magnetization in a parallel field and, for a high field, the critical-state distributions of the superconducting current density. These critical-state distributions are different from those known for a normal external field. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2310_13475 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Magnetization of Flat Superconducting Films on Ferromagnetic Substrates Prigozhin, Leonid Sokolovsky, Vladimir Superconductivity Numerical Analysis 65R20, 78M10 Ferromagnetic substrate influences the electromagnetic response of a type-II superconducting film to the applied magnetic field. We present a two-dimensional integrodifferential model for the magnetization of a flat superconductor/ferromagnet bilayer of an arbitrary shape using a thin shell quasistatic model for the ferromagnetic substrate and an infinitely thin approximation for the superconducting layer. An efficient numerical method is developed and used to investigate the effect of a ferromagnetic substrate. In particular, we simulate the thin bilayer magnetization in a parallel field and, for a high field, the critical-state distributions of the superconducting current density. These critical-state distributions are different from those known for a normal external field. |
| title | Magnetization of Flat Superconducting Films on Ferromagnetic Substrates |
| topic | Superconductivity Numerical Analysis 65R20, 78M10 |
| url | https://arxiv.org/abs/2310.13475 |