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| Format: | Preprint |
| Published: |
1999
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| Online Access: | https://arxiv.org/abs/cond-mat/9908020 |
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| _version_ | 1866914963641073664 |
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| author | Dupuis, N. |
| author_facet | Dupuis, N. |
| contents | We discuss the possible existence of a superconducting phase at high magnetic field in organic quasi-one-dimensional conductors. We consider in particular (i) the formation of a Larkin-Ovchinnikov-Fulde-Ferrell state, (ii) the role of a temperature-induced dimensional crossover occuring when the transverse coherence length $ξ_z(T)$ becomes of the order of the lattice spacing, and (iii) the effect of a magnetic-field-induced dimensional crossover resulting from the localization of the wave functions at high magnetic field. In the case of singlet spin pairing, only the combination of (i) and (iii) yields a picture consistent with recent experiments in the Bechgaard salts showing the existence of a high-field superconducting phase. We point out that the vortex lattice is expected to exhibit unusual characteristics at high magnetic field. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_cond_mat_9908020 |
| institution | arXiv |
| publishDate | 1999 |
| record_format | arxiv |
| spellingShingle | Quasi-one-dimensional superconductors: from weak to strong magnetic field Dupuis, N. Superconductivity We discuss the possible existence of a superconducting phase at high magnetic field in organic quasi-one-dimensional conductors. We consider in particular (i) the formation of a Larkin-Ovchinnikov-Fulde-Ferrell state, (ii) the role of a temperature-induced dimensional crossover occuring when the transverse coherence length $ξ_z(T)$ becomes of the order of the lattice spacing, and (iii) the effect of a magnetic-field-induced dimensional crossover resulting from the localization of the wave functions at high magnetic field. In the case of singlet spin pairing, only the combination of (i) and (iii) yields a picture consistent with recent experiments in the Bechgaard salts showing the existence of a high-field superconducting phase. We point out that the vortex lattice is expected to exhibit unusual characteristics at high magnetic field. |
| title | Quasi-one-dimensional superconductors: from weak to strong magnetic field |
| topic | Superconductivity |
| url | https://arxiv.org/abs/cond-mat/9908020 |