Temperature evolution of the Fermi surface of the FeSe monolayer on SrTiO$_3$
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866912146960416768 |
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| author | Zakeri, Khalil Roemer, Ryan Zou, Ke |
| author_facet | Zakeri, Khalil Roemer, Ryan Zou, Ke |
| contents | The origin of superconductivity in the FeSe monolayer on SrTiO$_3$ remains one of the unresolved mysteries in condensed-matter physics. Here by investigation of the temperature evolution of the dynamic charge response of FeSe/SrTiO$_3$ we infer that the response of the monolayer itself is nearly temperature independent. This indicates a constant Fermi surface over a wide range of temperature, in stark contrast to that of the bulk FeSe and other Fe-based superconductors. Our results, which manifest the peculiarity of the electronic structure of the FeSe monolayer, may help for a microscopic understanding of the superconductivity in Fe-chalcogenide monolayers on oxide surfaces in general. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_16910 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Temperature evolution of the Fermi surface of the FeSe monolayer on SrTiO$_3$ Zakeri, Khalil Roemer, Ryan Zou, Ke Superconductivity Strongly Correlated Electrons The origin of superconductivity in the FeSe monolayer on SrTiO$_3$ remains one of the unresolved mysteries in condensed-matter physics. Here by investigation of the temperature evolution of the dynamic charge response of FeSe/SrTiO$_3$ we infer that the response of the monolayer itself is nearly temperature independent. This indicates a constant Fermi surface over a wide range of temperature, in stark contrast to that of the bulk FeSe and other Fe-based superconductors. Our results, which manifest the peculiarity of the electronic structure of the FeSe monolayer, may help for a microscopic understanding of the superconductivity in Fe-chalcogenide monolayers on oxide surfaces in general. |
| title | Temperature evolution of the Fermi surface of the FeSe monolayer on SrTiO$_3$ |
| topic | Superconductivity Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2405.16910 |