绝缘铜氧化物中价态激发的共挥非弹性 X 射线散射
强关联电子
2009-10-31 v2
摘要
我们报告了对绝缘 LaCuO 和 SrCuOCl 的共挥非弹性 X 射线测量,实验能量调谐至 Cu K 吸收边。我们表明,这些谱图在第三阶扰动理论下的shakeup模型中可良好描述,模型同时包含incoming和outgoing共振,并演示如何从原始数据中提取光谱函数。我们最后展示了{\bf q}-依赖的电荷传递带隙测量。
引用
@article{arxiv.cond-mat/9810095,
title = {Resonant Inelastic X-Ray Scattering from Valence Excitations in Insulating Copper-Oxides},
author = {P. Abbamonte and C. A. Burns and E. D. Isaacs and P. M. Platzman and L. L. Miller and S. W. Cheong and M. V. Klein},
journal= {arXiv preprint arXiv:cond-mat/9810095},
year = {2009}
}
备注
minor notational changes, discussion of anderson impurity model fixed, references added; accepted by PRL