تقرير
Spin-Phonon Coupling in Transition Metal Insulators II: Spin-Orbital Moments, Chiral Phonons and Application to $\alpha$-RuCl$_3$
| العنوان: | Spin-Phonon Coupling in Transition Metal Insulators II: Spin-Orbital Moments, Chiral Phonons and Application to $\alpha$-RuCl$_3$ |
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| المؤلفون: | Dhakal, Ramesh, Kaib, David A. S., Biswas, Sananda, Valenti, Roser, Winter, Stephen M. |
| سنة النشر: | 2024 |
| المجموعة: | Condensed Matter |
| مصطلحات موضوعية: | Condensed Matter - Strongly Correlated Electrons |
| الوصف: | We apply a recently developed first-principles based approach for treating generic spin-phonon couplings in materials with strong spin-orbit coupling to study $\alpha$-RuCl$_3$. Of particular focus is the potential for this material to exhibit a phonon thermal Hall effect induced by spin-phonon interactions. We find that spin-orbit coupling significantly enriches the form of these interactions, and imbues them with chirality that is conducive to generating finite phonon Berry curvatures. We show that this leads to a phonon thermal Hall effect that qualitatively reproduces the measured field dependence of $\kappa_{xy}$ without requiring a field-induced spin liquid. Comment: 20 pages, 9 figures including supplemental material |
| نوع الوثيقة: | Working Paper |
| URL الوصول: | http://arxiv.org/abs/2407.00660 |
| رقم الأكسشن: | edsarx.2407.00660 |
| قاعدة البيانات: | arXiv |
| الوصف غير متاح. |