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Quantum phases and spin liquid properties of 1T-TaS2

机译：量子相和旋转液体特性为1T-TAS2

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Quantum materials exhibiting magnetic frustration are connected to diverse phenomena, including high Tc superconductivity, topological order, and quantum spin liquids (QSLs). A QSL is a quantum phase (QP) related to a quantum-entangled fluid-like state of matter. Previous experiments on QSL candidate materials are usually interpreted in terms of a single QP, although theories indicate that many distinct QPs are closely competing in typical frustrated spin models. Here we report on combined temperature-dependent muon spin relaxation and specific heat measurements for the triangular-lattice QSL candidate material 1T-TaS2 that provide evidence for competing QPs. The measured properties are assigned to arrays of individual QSL layers within the layered charge density wave structure of 1T-TaS2 and their characteristic parameters can be interpreted as those of distinct Z2 QSL phases. The present results reveal that a QSL description can extend beyond the lowest temperatures, offering an additional perspective in the search for such materials.
机译：表现出磁挫折的量子材料与不同的现象相连，包括高Tc超导，拓扑顺序和量子旋转液体（QSL）。 QSL是与量子缠绕的流体状状态相关的量子相（QP）。 QSL候选材料的先前实验通常在单个QP方面解释，尽管理论表明许多不同的QP在典型的沮丧的旋转模型中密切竞争。在这里，我们报告了三角形晶格QSL候选材料1T-TAS2的组合温度依赖性μ子旋转弛豫和特定热测量，为竞争QPS提供了证据。测量的属性被分配给单层电荷密度波结构内的单独QSL层的阵列，并且它们的特征参数可以被解释为不同的Z2 QSL相位。本结果表明，QSL描述可以延伸超出最低温度，在寻找这些材料中提供额外的透视图。

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