超导富勒烯化物中的能隙：光学与隧穿研究
凝聚态物理
2009-10-28 v1
摘要
我们对超导Rb3C60样品进行了隧穿和光学透射研究。在远低于超导转变温度Tc的温度下，能隙为2Δ=5.2 ± 0.2 meV，对应2Δ/kB Tc = 4.2。低温态密度以及光学电导率的温度依赖性类似于BCS行为，尽管存在增强的“正常态”贡献。结果表明该富勒烯化物是s波超导体，但其超导性不能用弱耦合极限来描述。
引用
@article{arxiv.cond-mat/9609267,
title = {Energy gap in superconducting fullerides: optical and tunneling studies},
author = {Daniel Koller and Michael C. Martin and Laszlo Mihaly and Gyorgy Mihaly and Gabor Oszlanyi and Gabriel Baumgartner and Laszlo Forro},
journal= {arXiv preprint arXiv:cond-mat/9609267},
year = {2009}
}
备注
RevTex file with four .EPS figures. Prints to four pages. Also available at http://buckminster.physics.sunysb.edu/papers/pubrece.html