源自空间随机相互作用的新奇金属普适理论
强关联电子
2023-08-21 v7 高能物理 - 理论
摘要
我们考虑与量子临界标量耦合的费米子二维金属,后者代表序参量或演生规范场。我们表明,在低温()下,此类金属通常表现出新奇金属行为,其 线性电阻率源于费米子-标量汤川耦合围绕非零空间平均值的空间随机涨落。我们还发现了 比热,以及对输运散射时间的普朗克界限的理论依据。这些结果是在临界金属系综的大 展开下获得的。
引用
@article{arxiv.2203.04990,
title = {Universal theory of strange metals from spatially random interactions},
author = {Aavishkar A. Patel and Haoyu Guo and Ilya Esterlis and Subir Sachdev},
journal= {arXiv preprint arXiv:2203.04990},
year = {2023}
}
备注
7 pages (including references), 1 figure, and a 11 page supplement; (v3) Analysis of cases without spatially random interactions in the supplement has been removed to improve readability, and now appears in arXiv:2207.08841; Summary poster at http://qpt.physics.harvard.edu/talks/aptos22.pdf; To be published in Science