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dc.contributor.author | Imamura, Kumpei | en |
dc.contributor.author | Suetsugu, Shota | en |
dc.contributor.author | Mizukami, Yuta | en |
dc.contributor.author | Yoshida, Yusei | en |
dc.contributor.author | Hashimoto, Kenichiro | en |
dc.contributor.author | Ohtsuka, Kenichi | en |
dc.contributor.author | Kasahara, Yuichi | en |
dc.contributor.author | Kurita, Nobuyuki | en |
dc.contributor.author | Tanaka, Hidekazu | en |
dc.contributor.author | Noh, Pureum | en |
dc.contributor.author | Nasu, Joji | en |
dc.contributor.author | Moon, Eun-Gook | en |
dc.contributor.author | Matsuda, Yuji | en |
dc.contributor.author | Shibauchi, Takasada | en |
dc.contributor.alternative | 今村, 薫平 | ja |
dc.contributor.alternative | 末次, 祥大 | ja |
dc.contributor.alternative | 水上, 雄太 | ja |
dc.contributor.alternative | 吉田, 悠生 | ja |
dc.contributor.alternative | 橋本, 顕一郎 | ja |
dc.contributor.alternative | 大塚, 健一 | ja |
dc.contributor.alternative | 笠原, 裕一 | ja |
dc.contributor.alternative | 栗田, 伸之 | ja |
dc.contributor.alternative | 田中, 秀数 | ja |
dc.contributor.alternative | 那須, 譲治 | ja |
dc.contributor.alternative | 松田, 祐司 | ja |
dc.contributor.alternative | 芝内, 孝禎 | ja |
dc.date.accessioned | 2024-03-15T07:16:19Z | - |
dc.date.available | 2024-03-15T07:16:19Z | - |
dc.date.issued | 2024-03 | - |
dc.identifier.uri | http://hdl.handle.net/2433/287384 | - |
dc.description | 磁性絶縁体におけるマヨラナ粒子の決定的証拠 --トポロジカル量子コンピューター実現に向けて前進--. 京都大学プレスリリース. 2024-03-14. | ja |
dc.description.abstract | The field-induced quantum-disordered state of layered honeycomb magnet α-RuCl₃ is a prime candidate for Kitaev spin liquids hosting Majorana fermions and non-Abelian anyons. Recent observations of anomalous planar thermal Hall effect demonstrate a topological edge mode, but whether it originates from Majorana fermions or bosonic magnons remains controversial. Here, we distinguish these origins from combined low-temperature measurements of high-resolution specific heat and thermal Hall conductivity with rotating magnetic fields within the honeycomb plane. A distinct closure of the low-energy bulk gap is observed for the fields in the Ru-Ru bond direction, and the gap opens rapidly when the field is tilted. Notably, this change occurs concomitantly with the sign reversal of the Hall effect. General discussions of topological bands show that this is the hallmark of an angle rotation–induced topological transition of fermions, providing conclusive evidence for the Majorana-fermion origin of the thermal Hall effect in α-RuCl₃. | en |
dc.language.iso | eng | - |
dc.publisher | American Association for the Advancement of Science (AAAS) | en |
dc.rights | Copyright © 2024 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC). | en |
dc.rights | This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited. | en |
dc.rights.uri | https://creativecommons.org/licenses/by-nc/4.0/ | - |
dc.title | Majorana-fermion origin of the planar thermal Hall effect in the Kitaev magnet α-RuCl₃ | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.jtitle | Science Advances | en |
dc.identifier.volume | 10 | - |
dc.identifier.issue | 11 | - |
dc.relation.doi | 10.1126/sciadv.adk3539 | - |
dc.textversion | publisher | - |
dc.identifier.artnum | eadk3539 | - |
dc.address | Department of Advanced Materials Science, University of Tokyo | en |
dc.address | Department of Physics, Kyoto University | en |
dc.address | Department of Advanced Materials Science, University of Tokyo; Department of Physics, Tohoku University | en |
dc.address | Department of Advanced Materials Science, University of Tokyo | en |
dc.address | Department of Advanced Materials Science, University of Tokyo | en |
dc.address | Department of Physics, Kyoto University | en |
dc.address | Department of Physics, Kyoto University | en |
dc.address | Department of Physics, Tokyo Institute of Technology | en |
dc.address | Innovator and Inventor Development Platform, Tokyo Institute of Technology | en |
dc.address | Department of Physics, Korea Advanced Institute of Science and Technology (KAIST) | en |
dc.address | Department of Physics, Tohoku University | en |
dc.address | Department of Physics, Korea Advanced Institute of Science and Technology (KAIST) | en |
dc.address | Department of Physics, Kyoto University | en |
dc.address | Department of Advanced Materials Science, University of Tokyo | en |
dc.identifier.pmid | 38478600 | - |
dc.relation.url | https://www.kyoto-u.ac.jp/ja/research-news/2024-03-14 | - |
dcterms.accessRights | open access | - |
datacite.awardNumber | 19H05824 | - |
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datacite.awardNumber | 22H00105 | - |
datacite.awardNumber | 22K18683 | - |
datacite.awardNumber | 21H01793 | - |
datacite.awardNumber | 21KK0242 | - |
datacite.awardNumber | 20H02600 | - |
datacite.awardNumber | 18H05227 | - |
datacite.awardNumber | 19H00649 | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/grant/KAKENHI-PLANNED-19H05824/ | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23H01829/ | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22H00105/ | - |
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dc.identifier.eissn | 2375-2548 | - |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.awardTitle | 量子液晶の精密計測 | ja |
jpcoar.awardTitle | 時空間反転対称性の破れた系における交流熱を用いた非相反熱輸送の探索 | ja |
jpcoar.awardTitle | 時間反転対称性の破れた新奇超伝導状態の解明 | ja |
jpcoar.awardTitle | マイクロ波円偏光空洞共振器を用いたカイラル超伝導体の自発磁化の検出 | ja |
jpcoar.awardTitle | キタエフ量子スピン液体物質におけるトポロジカル量子数の決定と新奇電子相の探索 | ja |
jpcoar.awardTitle | キタエフ物質の基底状態制御 | ja |
jpcoar.awardTitle | キタエフスピン液体候補物質におけるトポロジカル相転移探索 | ja |
jpcoar.awardTitle | 強相関量子凝縮相における回転対称性の破れの検証 | ja |
jpcoar.awardTitle | マルチバンド鉄系超伝導体におけるBCS-BECクロスオーバーの研究 | ja |
出現コレクション: | 学術雑誌掲載論文等 |
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