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| Autores principales: | , , , , , , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2412.06941 |
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| _version_ | 1866912153175326720 |
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| author | Wan, Qiaochu Vaz, Daniel Xiang, Li Ramavath, Anshul Vargo, Brandon Ye, Juntong Beaumariage, Jonathan Watanabe, Kenji Taniguchi, Takashi Sun, Zheng Smirnov, Dmitry Youngblood, Nathan Bondarev, Igor V. Snoke, David W. |
| author_facet | Wan, Qiaochu Vaz, Daniel Xiang, Li Ramavath, Anshul Vargo, Brandon Ye, Juntong Beaumariage, Jonathan Watanabe, Kenji Taniguchi, Takashi Sun, Zheng Smirnov, Dmitry Youngblood, Nathan Bondarev, Igor V. Snoke, David W. |
| contents | Previous experimental and theoretical work has given evidence of the existence of doubly charged exciton states in strongly screened bilayers of transition metal dichalcogenide (TMD) layers. These complexes are important because they are performed electron pairs that can, in principle, undergo Bose-Einstein condensation (BEC), in which case they would also form a new type of superconductor, consisting of stable bosons with net charges. In this paper, we present key electrostatic and magnetic measurements that definitively confirm the existence of these charged bosons. These measurements include 1) continuous control of the doping density with both positive and negative carriers, showing the expected population dependencies on the free carrier density, and 2) measurement of the dependence on the magnetic field, showing that this new bound state is a spin triplet. These results imply that it is promising to look for BEC and superconductivity in this system. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_06941 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Light-Induced Electron Pairing in a Bilayer Structure Wan, Qiaochu Vaz, Daniel Xiang, Li Ramavath, Anshul Vargo, Brandon Ye, Juntong Beaumariage, Jonathan Watanabe, Kenji Taniguchi, Takashi Sun, Zheng Smirnov, Dmitry Youngblood, Nathan Bondarev, Igor V. Snoke, David W. Superconductivity Previous experimental and theoretical work has given evidence of the existence of doubly charged exciton states in strongly screened bilayers of transition metal dichalcogenide (TMD) layers. These complexes are important because they are performed electron pairs that can, in principle, undergo Bose-Einstein condensation (BEC), in which case they would also form a new type of superconductor, consisting of stable bosons with net charges. In this paper, we present key electrostatic and magnetic measurements that definitively confirm the existence of these charged bosons. These measurements include 1) continuous control of the doping density with both positive and negative carriers, showing the expected population dependencies on the free carrier density, and 2) measurement of the dependence on the magnetic field, showing that this new bound state is a spin triplet. These results imply that it is promising to look for BEC and superconductivity in this system. |
| title | Light-Induced Electron Pairing in a Bilayer Structure |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2412.06941 |