Phonon thermal Hall effect in a non-Kramers paramagnet

被引：1

作者：

Guo H. ^{[1
,2
]}

机构：

[1] Laboratory of Atomic and Solid State Physics, Cornell University, 142 Sciences Drive, Ithaca, 14853-2501, NY

[2] Department of Physics, Harvard University, Cambridge, 02138, MA

来源：

Physical Review Research | 2023年 / 5卷 / 03期

基金：

英国科研创新办公室; 美国国家科学基金会;

关键词：

All Open Access; Gold; Green;

D O I：

10.1103/PhysRevResearch.5.033197

中图分类号：

学科分类号：

摘要：

With an increasing number of experiments observing phonon thermal Hall effect in magnets, it is theoretically desired to have a minimal model for the phonon thermal Hall effect. In this work, we study a simple model of acoustic phonons and uncorrelated paramagnetic doublets. When the doublets are non-Kramers, a linear pseudospin-phonon coupling is allowed by time-reversal symmetry and yields resonant phonon-pseudospin scattering. We compute the thermal longitudinal and Hall conductivities of the model and find qualitative agreement with recent experiments in Pr2Ir2O7 [Uehara, Nat. Commun. 13, 4604 (2022)2041-172310.1038/s41467-022-32375-0]. © 2023 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

引用

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