扩展基塔耶夫蜂巢模型中的多节点量子自旋液体

IF 5.4 1区物理与天体物理 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

npj Quantum Materials Pub Date : 2024-11-26 DOI:10.1038/s41535-024-00704-9

Jiucai Wang, B. Normand, Zheng-Xin Liu

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引用次数: 0

摘要

对扩展基塔耶夫蜂窝模型的变分蒙特卡罗（VMC）研究揭示了一系列多节点量子自旋液体（QSL）。它们具有新出现的 Z2 计结构、离散数量的对称保护马约拉纳锥，并在外加磁场中形成阿贝尔或非阿贝尔手性自旋液体。蜂巢晶格上自旋轨道耦合态的大量 Z2 投射对称群表明，在未来关于近似基塔耶夫材料的工作中，可以在实验中发现多节点 QSL。

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Multinode quantum spin liquids in extended Kitaev honeycomb models

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Multinode quantum spin liquids in extended Kitaev honeycomb models

Variational Monte Carlo (VMC) studies of extended Kitaev honeycomb models reveal a series of multinode quantum spin liquids (QSLs). They have an emergent Z₂ gauge structure, a discrete number of symmetry-protected Majorana cones, and form Abelian or non-Abelian chiral spin liquids in applied magnetic fields. The large number of Z₂ projective symmetry groups for spin–orbit-coupled states on the honeycomb lattice suggests that multinode QSLs can be found experimentally in future work on proximate Kitaev materials.

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来源期刊

npj Quantum Materials Materials Science-Electronic, Optical and Magnetic Materials

CiteScore

10.60

自引率

3.50%

发文量

107

审稿时长

6 weeks

期刊介绍： npj Quantum Materials is an open access journal that publishes works that significantly advance the understanding of quantum materials, including their fundamental properties, fabrication and applications.