无限层镍酸盐中磁性的单带与双带描述

IF 1.9 Q3 PHYSICS, CONDENSED MATTER

Condensed Matter Pub Date : 2023-12-06 DOI:10.3390/condmat8040107

Tharathep Plienbumrung, M. Daghofer, Jean-Baptiste Morée, Andrzej M. Oleś

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引用次数: 0

摘要

我们提出了无限层镍酸盐磁性的弱耦合分析，其中我们比较了单波段描述和双波段模型。两种模型都预测(i)跳跃引起的杂化可以忽略不计，(ii)在点(π，π，0)和点(π，π，π)处，磁性能具有非常相似的动态结构因子S(k→，ω)。这有效地给出了磁性质的二维描述。

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Single-Band versus Two-Band Description of Magnetism in Infinite-Layer Nickelates

We present a weak-coupling analysis of magnetism in infinite-layer nickelates, where we compare a single-band description with a two-band model. Both models predict that (i) hybridization due to hopping is negligible, and (ii) the magnetic properties are characterized by very similar dynamic structure factors, S(k→,ω), at the points (π,π,0) and (π,π,π). This gives effectively a two-dimensional description of the magnetic properties.

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来源期刊

Condensed Matter PHYSICS, CONDENSED MATTER-

CiteScore

2.90

自引率

11.80%

发文量

审稿时长

10 weeks