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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/2410.18689 |
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| _version_ | 1866909362842238976 |
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| author | Bao, Chunhao Yin, Xiaolong Shao, Jifeng Li, Longxiang Li, Zhiyue Ma, Xiaoming Guo, Shu Chen, Tingyong |
| author_facet | Bao, Chunhao Yin, Xiaolong Shao, Jifeng Li, Longxiang Li, Zhiyue Ma, Xiaoming Guo, Shu Chen, Tingyong |
| contents | Orbital two-channel Kondo (2CK) effect is one of the crucial systems with non- Fermi liquid (NFL) behaviors. But the full three-regime transport evidence has never been observed in one sample. Here, all three-resistive regimes for the orbital 2CK effect induced by two-level systems (TLSs) have been observed in the van der Waals ferromagnet Fe3GaTe2. The electron behavior undergoes a continuous transition from electron scattering to the NFL behavior, and subsequently to Fermi liquid behavior. The magnetic field does not affect any regimes, indicating the non-magnetic origin of the TLSs in Fe3GaTe2. In addition, the slope of linear negative magnetoresistance, rather than the topological Hall effect, has been found to be related to spin-magnon scattering and can be used to infer the emergence of spin textures. Our findings indicate Fe3GaTe2 may be an ideal platform to study electron-correlation and topological phenomena. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_18689 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Observation of Complete Orbital Two-channel Kondo Effect in van der Waals Ferromagnet Fe3GaTe2 Bao, Chunhao Yin, Xiaolong Shao, Jifeng Li, Longxiang Li, Zhiyue Ma, Xiaoming Guo, Shu Chen, Tingyong Strongly Correlated Electrons Materials Science Orbital two-channel Kondo (2CK) effect is one of the crucial systems with non- Fermi liquid (NFL) behaviors. But the full three-regime transport evidence has never been observed in one sample. Here, all three-resistive regimes for the orbital 2CK effect induced by two-level systems (TLSs) have been observed in the van der Waals ferromagnet Fe3GaTe2. The electron behavior undergoes a continuous transition from electron scattering to the NFL behavior, and subsequently to Fermi liquid behavior. The magnetic field does not affect any regimes, indicating the non-magnetic origin of the TLSs in Fe3GaTe2. In addition, the slope of linear negative magnetoresistance, rather than the topological Hall effect, has been found to be related to spin-magnon scattering and can be used to infer the emergence of spin textures. Our findings indicate Fe3GaTe2 may be an ideal platform to study electron-correlation and topological phenomena. |
| title | Observation of Complete Orbital Two-channel Kondo Effect in van der Waals Ferromagnet Fe3GaTe2 |
| topic | Strongly Correlated Electrons Materials Science |
| url | https://arxiv.org/abs/2410.18689 |