Spin-wave confinement in a hybrid superconductor-ferrimagnet nanostructure
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866908006195658752 |
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| author | Kharlan, Julia Sobucki, Krzysztof Szulc, Krzysztof Memarzadeh, Sara Klos, Jaroslaw W. |
| author_facet | Kharlan, Julia Sobucki, Krzysztof Szulc, Krzysztof Memarzadeh, Sara Klos, Jaroslaw W. |
| contents | Eddy currents in a superconductor shield the magnetic field in its interior and are responsible for the formation of a magnetic stray field outside of the superconducting structure. The stray field can be controlled by the external magnetic field and affect the magnetization dynamics in the magnetic system placed in its range. In the case of a hybrid system consisting of a superconducting strip placed over a magnetic layer, we predict theoretically the confinement of spin waves in the well of the static stray field. The number of bound states and their frequencies can be controlled by an external magnetic field. We have presented the results of semi-analytical calculations complemented by numerical modeling. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_13029 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Spin-wave confinement in a hybrid superconductor-ferrimagnet nanostructure Kharlan, Julia Sobucki, Krzysztof Szulc, Krzysztof Memarzadeh, Sara Klos, Jaroslaw W. Mesoscale and Nanoscale Physics Eddy currents in a superconductor shield the magnetic field in its interior and are responsible for the formation of a magnetic stray field outside of the superconducting structure. The stray field can be controlled by the external magnetic field and affect the magnetization dynamics in the magnetic system placed in its range. In the case of a hybrid system consisting of a superconducting strip placed over a magnetic layer, we predict theoretically the confinement of spin waves in the well of the static stray field. The number of bound states and their frequencies can be controlled by an external magnetic field. We have presented the results of semi-analytical calculations complemented by numerical modeling. |
| title | Spin-wave confinement in a hybrid superconductor-ferrimagnet nanostructure |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2312.13029 |