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| Format: | Preprint |
| Veröffentlicht: |
2024
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| Online-Zugang: | https://arxiv.org/abs/2407.07255 |
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| _version_ | 1866929673040035840 |
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| author | Kornilovitch, Pavel |
| author_facet | Kornilovitch, Pavel |
| contents | It is shown that even a weak out-of-plane attraction, V -> 0, can form real-space pairs in the body-centered tetragonal lattice despite the presence of a Hubbard repulsion and a fully developed three-dimensional kinetic energy. In the hole channel, the pairs have d orbital symmetry which, following Bolgoliubov's argument, translates into a d-symmetric macroscopic superconducting order parameter. The findings help us to understand key features of La_{2-x}Sr_xCuO_4 and further support the real-space mechanism of superconductivity in cuprates. The rules of real-space superconductivity are formulated at the end. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_07255 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Real-space d-wave superconductivity from weak attraction Kornilovitch, Pavel Superconductivity It is shown that even a weak out-of-plane attraction, V -> 0, can form real-space pairs in the body-centered tetragonal lattice despite the presence of a Hubbard repulsion and a fully developed three-dimensional kinetic energy. In the hole channel, the pairs have d orbital symmetry which, following Bolgoliubov's argument, translates into a d-symmetric macroscopic superconducting order parameter. The findings help us to understand key features of La_{2-x}Sr_xCuO_4 and further support the real-space mechanism of superconductivity in cuprates. The rules of real-space superconductivity are formulated at the end. |
| title | Real-space d-wave superconductivity from weak attraction |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2407.07255 |