论 cuprates 通用 waterfall 特征:动量驱动的十字截面
强关联电子
2025-01-16 v5
摘要
我们研究了 cuprates 光谱函数的两个相关普遍异常现象,即所谓的waterfall 和高能 kink 特征,通过结合细胞动态均值场理论和角分辨光电子能谱研究 oxychloride NaCaCuOCl(Na-CCOC)。我们追溯这两种现象的起源,将自旋-极化子和局相关效应在未掺杂和掺杂(Na-)CCOC 中都予以考察,确立它们是动量依赖性耦合及其相关准粒子能量之间的一种普遍十字截面的交叉。所提出的情景延伸至与 cuprates 的超导 dome 相吻合的掺杂水平,并激励进一步考察自旋-极化子在超导相中的命运。
引用
@article{arxiv.2312.14381,
title = {On the cuprates' universal waterfall feature: evidence of a momentum-driven crossover},
author = {Benjamin Bacq-Labreuil and Chafic Fawaz and Yuichi Okazaki and Yukiko Obata and Hervé Cercellier and Patrick Lefevre and François Bertran and David Santos-Cottin and Hajime Yamamoto and Ikuya Yamada and Masaki Azuma and Koji Horiba and Hiroshi Kumigashira and Matteo d'Astuto and Silke Biermann and Benjamin Lenz},
journal= {arXiv preprint arXiv:2312.14381},
year = {2025}
}
备注
(Published in Phys. Rev. Lett.) Main text (8 pages, 4 figures) with supplemental information (8 pages, 9 figures, 1 table), revised, added one section to supplemental information