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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2503.02294 |
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| _version_ | 1866915693560070144 |
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| author | Shen, Zecheng Xie, Chendi Chen, Wei-Chih Wang, Yao |
| author_facet | Shen, Zecheng Xie, Chendi Chen, Wei-Chih Wang, Yao |
| contents | Spin-triplet superconductivity is a key platform for topological quantum computing, yet its experimental realization and control in solid-state materials remain a significant challenge. For this purpose, we propose an ultrafast optical strategy to manipulate spin-triplet superconductivity by leveraging $p$-wave pairing instabilities in the extended Hubbard model, a framework applicable to transition-metal oxides. Utilizing Floquet engineering, we demonstrate that transient flipping of the effective spin-exchange interaction can enhance $p$-wave pairing correlations under linearly polarized optical pulses. Furthermore, we reveal that this emergent spin-triplet pairing in strongly correlated systems can be selectively switched by an orthogonal optical pulse. This work provides a pathway for stabilizing and controlling spin-triplet superconductivity in correlated materials. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_02294 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Light Control of Triplet Pairing in Correlated Electrons with Mixed-Sign Interactions Shen, Zecheng Xie, Chendi Chen, Wei-Chih Wang, Yao Strongly Correlated Electrons Spin-triplet superconductivity is a key platform for topological quantum computing, yet its experimental realization and control in solid-state materials remain a significant challenge. For this purpose, we propose an ultrafast optical strategy to manipulate spin-triplet superconductivity by leveraging $p$-wave pairing instabilities in the extended Hubbard model, a framework applicable to transition-metal oxides. Utilizing Floquet engineering, we demonstrate that transient flipping of the effective spin-exchange interaction can enhance $p$-wave pairing correlations under linearly polarized optical pulses. Furthermore, we reveal that this emergent spin-triplet pairing in strongly correlated systems can be selectively switched by an orthogonal optical pulse. This work provides a pathway for stabilizing and controlling spin-triplet superconductivity in correlated materials. |
| title | Light Control of Triplet Pairing in Correlated Electrons with Mixed-Sign Interactions |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2503.02294 |