簇扰动理论中掺孔铜氧化物的自旋响应

IF 1.6 4区物理与天体物理 Q3 PHYSICS, APPLIED Journal of Superconductivity and Novel Magnetism Pub Date : 2024-09-10 DOI:10.1007/s10948-024-06829-z

S. G. Ovchinnikov, V. I. Kuz’min, S. V. Nikolaev, M. M. Korshunov

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引用次数: 0

摘要

我们采用基于簇扰动的方法，研究了掺杂空穴的铜氧化物在哈伯德模型中的动态自旋易感性。结合单电子谱函数，我们计算了 3 × 3 和 4 × 4 簇的双粒子响应，并进行了比较。所获得的结果与共振非弹性中子散射和量子蒙特卡罗数据在质量上是一致的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Spin Response in Hole-Doped Cuprates Within the Cluster Perturbation Theory

We studied the dynamical spin susceptibility within the Hubbard model for hole-doped cuprates using cluster perturbation-based methods. Together with the one-electron spectral function, the two-particle response for 3 × 3 and 4 × 4 clusters are calculated and compared to each other. The results obtained are in qualitative agreement with the resonant inelastic neutron scattering and quantum Monte Carlo data.

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来源期刊

Journal of Superconductivity and Novel Magnetism 物理-物理：凝聚态物理

CiteScore

3.70

自引率

11.10%

发文量

342

审稿时长

3.5 months

期刊介绍： The Journal of Superconductivity and Novel Magnetism serves as the international forum for the most current research and ideas in these fields. This highly acclaimed journal publishes peer-reviewed original papers, conference proceedings and invited review articles that examine all aspects of the science and technology of superconductivity, including new materials, new mechanisms, basic and technological properties, new phenomena, and small- and large-scale applications. Novel magnetism, which is expanding rapidly, is also featured in the journal. The journal focuses on such areas as spintronics, magnetic semiconductors, properties of magnetic multilayers, magnetoresistive materials and structures, magnetic oxides, etc. Novel superconducting and magnetic materials are complex compounds, and the journal publishes articles related to all aspects their study, such as sample preparation, spectroscopy and transport properties as well as various applications.