Thermoelectric effect in a superconductor with Bogoliubov Fermi surfaces
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866913818210205696 |
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| author | Sano, Tomoya Sato, Takumi Sasaki, Akihiro Ikegaya, Satoshi Kobayashi, Shingo Asano, Yasuhiro |
| author_facet | Sano, Tomoya Sato, Takumi Sasaki, Akihiro Ikegaya, Satoshi Kobayashi, Shingo Asano, Yasuhiro |
| contents | We study theoretically the thermoelectric effect in a superconducting state having the Bogoliubov-Fermi surfaces which stays in a thin superconducting layer between a conventional superconductor and an insulator. The thermoelectric coefficients calculated based on the linear response theory show the remarkable anisotropy in real space, which are explained well by the anisotropic shape of the Bogoliubov-Fermi surface in momentum space. Our results indicate a way to check the existence of the Bogoliubov-Fermi surfaces in a stable superconducting state because the anisotropy is controlled by the direction of an applied magnetic field. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_06673 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Thermoelectric effect in a superconductor with Bogoliubov Fermi surfaces Sano, Tomoya Sato, Takumi Sasaki, Akihiro Ikegaya, Satoshi Kobayashi, Shingo Asano, Yasuhiro Superconductivity We study theoretically the thermoelectric effect in a superconducting state having the Bogoliubov-Fermi surfaces which stays in a thin superconducting layer between a conventional superconductor and an insulator. The thermoelectric coefficients calculated based on the linear response theory show the remarkable anisotropy in real space, which are explained well by the anisotropic shape of the Bogoliubov-Fermi surface in momentum space. Our results indicate a way to check the existence of the Bogoliubov-Fermi surfaces in a stable superconducting state because the anisotropy is controlled by the direction of an applied magnetic field. |
| title | Thermoelectric effect in a superconductor with Bogoliubov Fermi surfaces |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2411.06673 |