InAs-Al纳米线约瑟夫森弱连接的传导通道
介观与纳米尺度物理
2017-09-28 v2 超导电性
摘要
我们给出了一个电可调约瑟夫森结的定量表征,该结定义于由外延生长超导Al壳层邻近效应覆盖的InAs纳米线中。从高度非线性的电流-电压特性中提取了传导通道数量及一组透射系数的栅压依赖性。尽管透射系数呈非单调演化,但独立通道的数量可被调节,并且实现了具有单一准弹道通道的构型。
引用
@article{arxiv.1706.09150,
title = {Conduction Channels of an InAs-Al nanowire Josephson weak link},
author = {M. F. Goffman and C. Urbina and H. Pothier and J. Nygård and C. M. Marcus and P. Krogstrup},
journal= {arXiv preprint arXiv:1706.09150},
year = {2017}
}
备注
Added reference in New Journal of Physics, corrected a few typos, and updated references