Microscopic solutions for vortex clustering in two-band type-1.5 superconductors
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arXiv
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| Auteurs principaux: | , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866914917389434880 |
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| author | Timoshuk, Igor Babaev, Egor |
| author_facet | Timoshuk, Igor Babaev, Egor |
| contents | Two-band superconductors exhibit a distinct phase characterized by two correlation lengths, one smaller and the other larger than the magnetic field penetration length. This regime was coined type-1.5 superconductivity, with several unconventional properties, such as vortex clustering. However, a fully microscopic solution for vortex clusters has remained challenging due to computational complexities beyond quasiclassical models. This work presents numerical solutions obtained in a fully self-consistent two-band Bogoliubov-de Gennes model. We show the presence of discrepant correlation lengths leading to vortex clustering in two-band superconductors. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_11491 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Microscopic solutions for vortex clustering in two-band type-1.5 superconductors Timoshuk, Igor Babaev, Egor Superconductivity Two-band superconductors exhibit a distinct phase characterized by two correlation lengths, one smaller and the other larger than the magnetic field penetration length. This regime was coined type-1.5 superconductivity, with several unconventional properties, such as vortex clustering. However, a fully microscopic solution for vortex clusters has remained challenging due to computational complexities beyond quasiclassical models. This work presents numerical solutions obtained in a fully self-consistent two-band Bogoliubov-de Gennes model. We show the presence of discrepant correlation lengths leading to vortex clustering in two-band superconductors. |
| title | Microscopic solutions for vortex clustering in two-band type-1.5 superconductors |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2404.11491 |