Stripe-like correlations in the cuprates from oxygen NMR

IF 1.3 3区物理与天体物理 Q4 PHYSICS, APPLIED

Physica C-superconductivity and Its Applications Pub Date : 2025-04-27 DOI:10.1016/j.physc.2025.1354722

Daniel Bandur , Abigail Lee , Stefan Tsankov , Andreas Erb , Jürgen Haase

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引用次数: 0

Abstract

Nuclear magnetic resonance (NMR) of planar oxygen, with its family independent phenomenology, is ideally suited to probe the nature of the quantum matter of superconducting cuprates. Here, with new experiments on La

_{2 - x}

_{x}

CuO

_{4}

, in particular also at high doping levels, we report on short-range stripe-like correlations between local charge and spin. The amplitudes of the spin and charge variations at room temperature are nearly independent of doping up to at least

x = 0.30

. However, the correlation is inverted upon passing

x = 1 / 4

. Despite the atomic scale length, the variations still resemble the average spin and charge relation. Literature data show the correlations to be generic to the cuprates.

Abstract Image

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来自氧核磁共振的铜酸盐的条纹状相关性

平面氧的核磁共振（NMR）具有独立于族的现象学特性，是研究超导铜酸盐量子物质性质的理想选择。在这里，通过对La2−xSrxCuO4的新实验，特别是在高掺杂水平下，我们报告了局部电荷和自旋之间的短程带状相关性。室温下自旋和电荷的变化幅度在x=0.30以内几乎与掺杂无关。然而，当传递x=1/4时，相关性反转。尽管原子尺度的长度，变化仍然类似于平均的自旋和电荷关系。文献资料显示相关性对铜有普遍性。

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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来源期刊

Physica C-superconductivity and Its Applications 物理-物理：应用

CiteScore

2.70

自引率

11.80%

发文量

102

审稿时长

66 days

期刊介绍： Physica C (Superconductivity and its Applications) publishes peer-reviewed papers on novel developments in the field of superconductivity. Topics include discovery of new superconducting materials and elucidation of their mechanisms, physics of vortex matter, enhancement of critical properties of superconductors, identification of novel properties and processing methods that improve their performance and promote new routes to applications of superconductivity. The main goal of the journal is to publish: 1. Papers that substantially increase the understanding of the fundamental aspects and mechanisms of superconductivity and vortex matter through theoretical and experimental methods. 2. Papers that report on novel physical properties and processing of materials that substantially enhance their critical performance. 3. Papers that promote new or improved routes to applications of superconductivity and/or superconducting materials, and proof-of-concept novel proto-type superconducting devices. The editors of the journal will select papers that are well written and based on thorough research that provide truly novel insights.