Discontinuous Transition to Superconducting Phase
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866912073587359744 |
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| author | Sato, Takumi Kobayashi, Shingo Asano, Yasuhiro |
| author_facet | Sato, Takumi Kobayashi, Shingo Asano, Yasuhiro |
| contents | We discuss the instability of uniform superconducting states that contain the pairing correlations belonging to the odd-frequency symmetry class. The instability originates from the paramagnetic response of odd-frequency Cooper pairs and is considerable at finite temperatures. As a result, the pair potential varies discontinuously at the transition temperature when the amplitude of the odd-frequency pairing correlation functions is sufficiently large. The discontinuous transition to the superconducting phase is a general feature of superconductors that include odd-frequency Cooper pairs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2308_02211 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Discontinuous Transition to Superconducting Phase Sato, Takumi Kobayashi, Shingo Asano, Yasuhiro Superconductivity We discuss the instability of uniform superconducting states that contain the pairing correlations belonging to the odd-frequency symmetry class. The instability originates from the paramagnetic response of odd-frequency Cooper pairs and is considerable at finite temperatures. As a result, the pair potential varies discontinuously at the transition temperature when the amplitude of the odd-frequency pairing correlation functions is sufficiently large. The discontinuous transition to the superconducting phase is a general feature of superconductors that include odd-frequency Cooper pairs. |
| title | Discontinuous Transition to Superconducting Phase |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2308.02211 |