Local spin-flip transitions induced by magnetic quantum impurities in two-dimensional magnets

Fuente: arXiv
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Auteurs principaux: Bauer, Tim, Freitas, Lucas R. D., Andrade, Eric C., Egger, Reinhold, Pereira, Rodrigo G.
Format: Preprint
Publié: 2024
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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