低温下轻掺杂 La_{2-x}Sr_{x}CuO_{4} 中类电荷玻璃行为的证据
强关联电子
2008-12-11 v2
摘要
对 La_{1.97}Sr_{0.03}CuO_{4} 的 c 轴磁输运和电阻噪声研究揭示了清晰的玻璃态特征,如滞后、记忆效应和缓慢的相关动力学,但这些现象仅出现在远低于自旋玻璃转变温度 T_{sg} 的温度 (T) 下。结果强烈表明,由于库仑相互作用,出现了电荷玻璃态或动态电荷有序。
引用
@article{arxiv.0802.3817,
title = {Evidence for Charge Glass-like Behavior in Lightly Doped La_{2-x}Sr_{x}CuO_{4} at Low Temperatures},
author = {I. Raicevic and J. Jaroszynski and Dragana Popovic and C. Panagopoulos and T. Sasagawa},
journal= {arXiv preprint arXiv:0802.3817},
year = {2008}
}
备注
title changed, presentation improved, references added; to appear in Phys. Rev. Letters