利用 Cu-63 NQR 测量 La(2-x)Sr(x)CuO(4) 条纹有序参量
超导电性
2009-10-31 v2 强关联电子
摘要
我们展示了可通过利用 Cu-63 NQR 的消失效应来测量 La(1.875)Ba(0.125)CuO(4)、La(1.48)Nd(0.4)Sr(0.12)CuO(4) 和 La(1.68)Eu(0.2)Sr(0.12)CuO(4) 中 La(2-x)Sr(x)CuO(4) 平面中空子掺杂 CuO(2) 平面上的电荷条纹有序参量。将同一方法应用于 La(2-x)Sr(x)CuO(4) 时,发现整个非洛氏超导态域 1/16 < x < 1/8 内都存在类似的条纹有序。
引用
@article{arxiv.cond-mat/9902348,
title = {Cu-63 NQR Measurement of Stripe Order Parameter in La(2-x)Sr(x)CuO(4)},
author = {A. W. Hunt and P. M. Singer and K. R. Thurber and T. Imai},
journal= {arXiv preprint arXiv:cond-mat/9902348},
year = {2009}
}
备注
4 pages in RevTex, 3 figures in postscript. Minor changes have been made to increase readability. This manuscript has been accepted for publication in Physical Review Letters