Bi2Sr2CaCu2O8超导态中的准粒子
超导电性
2009-10-31 v2
摘要
动量分辨率提高32倍带来了关于Bi2Sr2CaCu2O8 (Bi2212)沿(\pi,\pi)方向(超导能隙节点处)谱函数的定性新ARPES结果。凭借改进的分辨率,我们现在看到了本征线型,表明在超导态下费米动量处存在真正的准粒子,而在正常态下则不存在。此处探测的动量空间区域与电荷输运相关,促使我们将结果与红外反射率电导率测量进行比较。
引用
@article{arxiv.cond-mat/9904390,
title = {Quasiparticles in the superconducting state of Bi2Sr2CaCu2O8},
author = {A. Kaminski and J. Mesot and H. Fretwell and J. C. Campuzano and M. R. Norman and M. Randeria and H. Ding and T. Sato and T. Takahashi and T. Mochiku and K. Kadowaki and H. Hoechst},
journal= {arXiv preprint arXiv:cond-mat/9904390},
year = {2009}
}
备注
revised paper with new figures