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DOI | 10.1038/s41467-018-03540-1 |
Quantum-disordered state of magnetic and electric dipoles in an organic Mott system | |
Shimozawa, M.1; Hashimoto, K.2; Ueda, A.1; Suzuki, Y.1; Sugii, K.1; Yamada, S.1; Imai, Y.1; Kobayashi, R.2; Itoh, K.2; Iguchi, S.2; Naka, M.3,4; Ishihara, S.3; Mori, H.1; Sasaki, T.2; Yamashita, M.1 | |
2017-11-28 | |
发表期刊 | NATURE COMMUNICATIONS |
ISSN | 2041-1723 |
出版年 | 2017 |
卷号 | 8 |
文章类型 | Article |
语种 | 英语 |
国家 | Japan |
英文摘要 | Strongly enhanced quantum fluctuations often lead to a rich variety of quantum-disordered states. Developing approaches to enhance quantum fluctuations may open paths to realize even more fascinating quantum states. Here, we demonstrate that a coupling of localized spins with the zero-point motion of hydrogen atoms, that is, proton fluctuations in a hydrogen-bonded organic Mott insulator provides a different class of quantum spin liquids (QSLs). We find that divergent dielectric behavior associated with the approach to hydrogenbond order is suppressed by the quantum proton fluctuations, resulting in a quantum paraelectric (QPE) state. Furthermore, our thermal-transport measurements reveal that a QSL state with gapless spin excitations rapidly emerges upon entering the QPE state. These findings indicate that the quantum proton fluctuations give rise to a QSL-a quantumdisordered state of magnetic and electric dipoles-through the coupling between the electron and proton degrees of freedom. |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000416399400007 |
WOS关键词 | SPIN-LIQUID STATE ; PHASE-TRANSITION ; NEEL ORDER ; CONDUCTOR |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/203724 |
专题 | 资源环境科学 |
作者单位 | 1.Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan; 2.Tohoku Univ, Inst Mat Res, Aoba Ku, Sendai, Miyagi 9808577, Japan; 3.Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan; 4.Waseda Univ, Waseda Inst Adv Study, Shinjuku Ku, Tokyo 1698050, Japan |
推荐引用方式 GB/T 7714 | Shimozawa, M.,Hashimoto, K.,Ueda, A.,et al. Quantum-disordered state of magnetic and electric dipoles in an organic Mott system[J]. NATURE COMMUNICATIONS,2017,8. |
APA | Shimozawa, M..,Hashimoto, K..,Ueda, A..,Suzuki, Y..,Sugii, K..,...&Yamashita, M..(2017).Quantum-disordered state of magnetic and electric dipoles in an organic Mott system.NATURE COMMUNICATIONS,8. |
MLA | Shimozawa, M.,et al."Quantum-disordered state of magnetic and electric dipoles in an organic Mott system".NATURE COMMUNICATIONS 8(2017). |
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