Adherence of the rotating vortex lattice in the noncentrosymmetric superconductor Ru$_{7}$B$_{3}$ to the London model
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arXiv
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| Format: | Preprint |
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2022
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| author | Cameron, A. S. Tymoshenko, Y. V. Portnichenko, P. Y. Sukhanov, A. S. Hatnean, M. Ciomaga Paul, D. McK. Balakrishnan, G. Cubitt, R. Inosov, D. S. |
| author_facet | Cameron, A. S. Tymoshenko, Y. V. Portnichenko, P. Y. Sukhanov, A. S. Hatnean, M. Ciomaga Paul, D. McK. Balakrishnan, G. Cubitt, R. Inosov, D. S. |
| contents | The noncentrosymmetric superconductor Ru$_7$B$_3$ has in previous studies demonstrated remarkably unusual behaviour in its vortex lattice, where the nearest neighbour directions of the vortices dissociate from the crystal lattice and instead show a complex field-history dependence, and the vortex lattice rotates as the field is changed. In this study, we look at the vortex lattice form factor of Ru$_7$B$_3$ during this field-history dependence, to check for deviations from established models, such as the London model. We find that the data is well described by the anisotropic London model, which is in accordance with theoretical predictions that the alterations to the structure of the vortices due to broken inversion symmetry should be small. From this, we also extract values for the penetration depth and coherence length. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2209_14820 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Adherence of the rotating vortex lattice in the noncentrosymmetric superconductor Ru$_{7}$B$_{3}$ to the London model Cameron, A. S. Tymoshenko, Y. V. Portnichenko, P. Y. Sukhanov, A. S. Hatnean, M. Ciomaga Paul, D. McK. Balakrishnan, G. Cubitt, R. Inosov, D. S. Superconductivity The noncentrosymmetric superconductor Ru$_7$B$_3$ has in previous studies demonstrated remarkably unusual behaviour in its vortex lattice, where the nearest neighbour directions of the vortices dissociate from the crystal lattice and instead show a complex field-history dependence, and the vortex lattice rotates as the field is changed. In this study, we look at the vortex lattice form factor of Ru$_7$B$_3$ during this field-history dependence, to check for deviations from established models, such as the London model. We find that the data is well described by the anisotropic London model, which is in accordance with theoretical predictions that the alterations to the structure of the vortices due to broken inversion symmetry should be small. From this, we also extract values for the penetration depth and coherence length. |
| title | Adherence of the rotating vortex lattice in the noncentrosymmetric superconductor Ru$_{7}$B$_{3}$ to the London model |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2209.14820 |