Anomalous Thermal Conductivity and Magnetic Torque Response in the Honeycomb Magnet α-RuCl_{3}

Physical Review Letters
Ian A LeahyMinhyea Lee

Abstract

We report on the unusual behavior of the in-plane thermal conductivity κ and torque τ response in the Kitaev-Heisenberg material α-RuCl_{3}. κ shows a striking enhancement with linear growth beyond H=7  T, where magnetic order disappears, while τ for both of the in-plane symmetry directions shows an anomaly at the same field. The temperature and field dependence of κ are far more complex than conventional phonon and magnon contributions, and require us to invoke the presence of unconventional spin excitations whose properties are characteristic of a field-induced spin-liquid phase related to the enigmatic physics of the Kitaev model in an applied magnetic field.

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Citations

Sep 16, 2017·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Stephen M WinterRoser Valentí
Dec 30, 2017·Physical Review Letters·A LittleJ Orenstein
Dec 30, 2017·Physical Review Letters·Jiacheng ZhengWeiqiang Yu
Dec 7, 2018·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Huan-Cheng YangZhong-Yi Lu
Jan 31, 2018·Scientific Reports·Cliò Efthimia AgrapidisSatoshi Nishimoto
Jun 11, 2019·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Lukas Janssen, Matthias Vojta
Jan 18, 2018·Physical Review Letters·Joji NasuYukitoshi Motome
May 6, 2019·Physical Review Letters·Ara GoEun-Gook Moon
Feb 12, 2020·Science Advances·Ruidan ZhongRobert J Cava
Feb 15, 2020·Physical Review Letters·Seung-Hwan DoKwang-Yong Choi
May 31, 2019·Physical Review Letters·Kira RiedlRoser Valentí
Apr 4, 2020·Nature Communications·Hyun-Yong LeeYong Baek Kim
May 19, 2018·Physical Review Letters·Zheng-Xin Liu, B Normand
Jun 9, 2018·Physical Review Letters·Y KasaharaY Matsuda
Nov 26, 2019·Physical Review Letters·Jiucai WangZheng-Xin Liu
Apr 28, 2020·Physical Review Letters·Wang YangIan Affleck
Mar 31, 2018·Physical Review Letters·Richard HentrichChristian Hess
Sep 12, 2020·Physical Review Letters·S BachusP Gegenwart
Mar 16, 2018·Physical Review Letters·Stephen M WinterRoser Valentí
Dec 15, 2020·Physical Review Letters·Rodrigo G Pereira, Reinhold Egger
Jun 12, 2021·Nature Communications·Haoxiang LiH Miao

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