铜酸锌梯形的光激发电荷序模式
强关联电子
2026-05-13 v1 超导电性
摘要
我们报告了在光激发的铜酸锌梯形 SrCuO 中观察到的涌现电荷序模式。近红外光沿梯形平面驱动一种受称号保护的电子亚稳态，同时导致平衡电荷序的部分熔化。我们的时分辨共挥非弹性 X 射线散射测量在上 Hubbard 带中揭示了一个无能隙的集体激发态，沿电荷序波矢传播至 0.8 eV，斜率约为准粒子速度。这一发现揭示了相关载荷在有限动量下获得类迁移性质的条件，电荷序变为动态波动，为探索光激发偶极不稳定性提供了平台。
引用
@article{arxiv.2510.24686,
title = {A light-induced charge order mode in a metastable cuprate ladder},
author = {Hari Padma and Prakash Sharma and Sophia F. R. TenHuisen and Filippo Glerean and Antoine Roll and Pan Zhou and Sarbajaya Kundu and Arnau Romaguera and Elizabeth Skoropata and Hiroki Ueda and Biaolong Liu and Eugenio Paris and Yu Wang and Seng Huat Lee and Zhiqiang Mao and Mark P. M. Dean and Edwin W. Huang and Elia Razzoli and Yao Wang and Matteo Mitrano},
journal= {arXiv preprint arXiv:2510.24686},
year = {2026}
}
备注
Main Text with 8 pages, 3 figures, and Supplementary Material with 13 pages, 7 figures