薄膜Weyl费米子广义自旋磁化率张量的顶点校正

IF 2.4 4区物理与天体物理 Q3 PHYSICS, CONDENSED MATTER

Solid State Communications Pub Date : 2025-08-08 DOI:10.1016/j.ssc.2025.116080

M. Sami Shiraz, A. Phirouznia

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引用次数: 0

摘要

从理论上研究了薄膜Weyl费米子结构的自旋磁化率张量。本研究采用考虑顶点修正的Kubo-Streda方法，研究了顶点修正对薄膜Weyl费米子磁响应函数的影响。在这种情况下，杂质相互作用的影响在基于格林函数形式的玻恩近似中被捕获。此外，通过贝特-萨尔皮特方程的顶点图给出了电子空穴对连续杂质散射的影响。利用这种方法，揭示了顶点修正降低了这类样品的自旋-自旋相关性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Vertex correction of generalized spin susceptibility tensor of thin film Weyl fermions

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Vertex correction of generalized spin susceptibility tensor of thin film Weyl fermions

Spin susceptibility tensor of a thin film Weyl fermion structure is investigated theoretically. In the current study Kubo–Streda approach have been employed by taking into account the vertex corrections, for studying the influence of the vertex corrections on the magnetic response function of a thin film Weyl fermion. In this case the effect of impurity interactions is captured within the Born approximation based Green’s function formalism. Moreover the influence of successive impurity scatterings of electron hole pairs is given by the vertex diagrams within the Bethe–Salpeter equation. Using this approach it was revealed that the vertex corrections decrease spin–spin correlations in this type of the samples.

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来源期刊

Solid State Communications 物理-物理：凝聚态物理

CiteScore

3.40

自引率

4.80%

发文量

287

审稿时长

51 days

期刊介绍： Solid State Communications is an international medium for the publication of short communications and original research articles on significant developments in condensed matter science, giving scientists immediate access to important, recently completed work. The journal publishes original experimental and theoretical research on the physical and chemical properties of solids and other condensed systems and also on their preparation. The submission of manuscripts reporting research on the basic physics of materials science and devices, as well as of state-of-the-art microstructures and nanostructures, is encouraged. A coherent quantitative treatment emphasizing new physics is expected rather than a simple accumulation of experimental data. Consistent with these aims, the short communications should be kept concise and short, usually not longer than six printed pages. The number of figures and tables should also be kept to a minimum. Solid State Communications now also welcomes original research articles without length restrictions. The Fast-Track section of Solid State Communications is the venue for very rapid publication of short communications on significant developments in condensed matter science. The goal is to offer the broad condensed matter community quick and immediate access to publish recently completed papers in research areas that are rapidly evolving and in which there are developments with great potential impact.