LiFeAs中的超导能隙:比热与ARPES联合研究
超导电性
2012-08-01 v1
摘要
我们给出了化学计量超导体LiFeAs单晶的比热c_P和ARPES数据。在超导转变处c_P中发现了显著的异常。电子贡献可由两个s型能隙描述,大小分别约为Δ1 = 1.2 meV和Δ2 = 2.6 meV,正常态γ系数为10 mJ/mol K^2。所有这些数值与ARPES结果高度一致。
引用
@article{arxiv.1011.4246,
title = {The superconducting gaps in LiFeAs: Joint study of specific heat and ARPES},
author = {U. Stockert and M. Abdel-Hafiez and D. V. Evtushinsky and V. B. Zabolotnyy and A. U. B. Wolter and S. Wurmehl and I. Morozov and R. Klingeler and S. V. Borisenko and B. Büchner},
journal= {arXiv preprint arXiv:1011.4246},
year = {2012}
}
备注
4 pages, 3 figures