Topological Interlayer Superconductivity in a van der Waals Heterostructure
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866929739360370688 |
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| author | Thingstad, Even Hutchinson, Joel Loss, Daniel Klinovaja, Jelena |
| author_facet | Thingstad, Even Hutchinson, Joel Loss, Daniel Klinovaja, Jelena |
| contents | We show that when a honeycomb antiferromagnetic insulator (AFMI) is sandwiched between two transition metal dichalcogenide (TMD) monolayers in a commensurate way, magnons in the AFMI can mediate an interaction between electrons in the TMDs that gives rise to interlayer Cooper pairing. This interaction opens coexisting extended $s$-wave and chiral $p$-wave superconducting gaps in the energy spectrum of the coupled system, and the latter give rise to topological Majorana edge modes. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_07927 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Topological Interlayer Superconductivity in a van der Waals Heterostructure Thingstad, Even Hutchinson, Joel Loss, Daniel Klinovaja, Jelena Superconductivity We show that when a honeycomb antiferromagnetic insulator (AFMI) is sandwiched between two transition metal dichalcogenide (TMD) monolayers in a commensurate way, magnons in the AFMI can mediate an interaction between electrons in the TMDs that gives rise to interlayer Cooper pairing. This interaction opens coexisting extended $s$-wave and chiral $p$-wave superconducting gaps in the energy spectrum of the coupled system, and the latter give rise to topological Majorana edge modes. |
| title | Topological Interlayer Superconductivity in a van der Waals Heterostructure |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2405.07927 |