Local spin-flip transitions induced by magnetic quantum impurities in two-dimensional magnets
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arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866917863461224448 |
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| author | Bauer, Tim Freitas, Lucas R. D. Andrade, Eric C. Egger, Reinhold Pereira, Rodrigo G. |
| author_facet | Bauer, Tim Freitas, Lucas R. D. Andrade, Eric C. Egger, Reinhold Pereira, Rodrigo G. |
| contents | We predict a general local spin-flip transition mechanism caused by magnetic quantum impurities in (partially) polarized phases of quantum magnets in the absence of conservation laws. This transition arises when a magnon bound state crosses zero energy as function of the magnetic field. As application, we study 2D van der Waals magnets described by the Kitaev-Heisenberg honeycomb model which applies to the transition metal trihalides CrI$_3$ and $α$-RuCl$_3$. We consider adatom and substitutional impurity positions, and show how spin-flip transitions can be detected in scanning tunneling spectroscopy. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_19962 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Local spin-flip transitions induced by magnetic quantum impurities in two-dimensional magnets Bauer, Tim Freitas, Lucas R. D. Andrade, Eric C. Egger, Reinhold Pereira, Rodrigo G. Strongly Correlated Electrons Mesoscale and Nanoscale Physics We predict a general local spin-flip transition mechanism caused by magnetic quantum impurities in (partially) polarized phases of quantum magnets in the absence of conservation laws. This transition arises when a magnon bound state crosses zero energy as function of the magnetic field. As application, we study 2D van der Waals magnets described by the Kitaev-Heisenberg honeycomb model which applies to the transition metal trihalides CrI$_3$ and $α$-RuCl$_3$. We consider adatom and substitutional impurity positions, and show how spin-flip transitions can be detected in scanning tunneling spectroscopy. |
| title | Local spin-flip transitions induced by magnetic quantum impurities in two-dimensional magnets |
| topic | Strongly Correlated Electrons Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2405.19962 |