A snapshot review—Fluctuations in quantum materials: from skyrmions to superconductivity
A snapshot review—Fluctuations in quantum materials: from skyrmions to superconductivity
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DOI：
10.1557/s43580-021-00051-y
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发表时间：
2021-04
期刊：
影响因子：
0.8
通讯作者：
L. Shen;M. Seaberg;E. Blackburn;J. Turner
中科院分区：
文献类型：
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作者：
L. Shen;M. Seaberg;E. Blackburn;J. Turner
通过直接测量线性响应函数，例如动态磁化率，可以了解基本的材料特性。然而，通过研究波动可以提供一个新的视角。这可以通过波动耗散定理与动态磁化率联系起来，该定理将系统中的波动与其响应联系起来，这是访问材料物理学的另一种途径。在这里，我们描述了一种用于材料表征的新X射线工具，它将提供一个利用这一定理揭示量子材料新物理的机会。我们提供的方法的细节，并讨论了必要的分析技术，以利用潜力，探索一个未知的相空间区域。其次是拓扑手性磁体的最新结果，以及目前正在进行的工作的讨论。我们提供了一个未来的测量计划在非常规超导工作的角度。我们描述了一种用于材料表征的新X射线工具，它将提供一个机会，利用相干的短脉冲X射线来揭示量子材料中的新物理。我们提供的方法的细节，并讨论了必要的分析技术，以利用潜力，探索一个未知的相空间区域。其次是拓扑手性磁体的最新结果，以及目前正在进行的工作的讨论。我们提供了一个未来的测量计划在非常规超导工作的角度。
By measuring a linear response function directly, such as the dynamic susceptibility, one can understand fundamental material properties. However, a fresh perspective can be offered by studying fluctuations. This can be related back to the dynamic susceptibility through the fluctuation–dissipation theorem, which relates the fluctuations in a system to its response, an alternate route to access the physics of a material. Here, we describe a new X-ray tool for material characterization that will offer an opportunity to uncover new physics in quantum materials using this theorem. We provide details of the method and discuss the requisite analysis techniques in order to capitalize on the potential to explore an uncharted region of phase space. This is followed by recent results on a topological chiral magnet, together with a discussion of current work in progress. We provide a perspective on future measurements planned for work in unconventional superconductivity. We describe a new X-ray tool for material characterization that will offer an opportunity to uncover new physics in quantum materials using coherent, short-pulsed X-rays. We provide details of the method and discuss the requisite analysis techniques in order to capitalize on the potential to explore an uncharted region of phase space. This is followed by recent results on a topological chiral magnet, together with a discussion of current work in progress. We provide a perspective on future measurements planned for work in unconventional superconductivity.