马约拉纳纳米线中弱反局域化产生的零压电导峰
介观与纳米尺度物理
2014-02-20 v4 无序系统与神经网络
摘要
我们表明,在超导纳米线中,无序引起的弱反局域化与马约拉纳零模的共振安德烈夫反射竞争,产生量级为e^2/h的零压电导峰。量子干涉在无序平均中存活所需的相位共轭由粒子-空穴对称性提供——在时间反演对称性缺失且无需拓扑非平凡相的情况下。我们确定了区分马约拉纳共振与弱反局域化效应的方法。
引用
@article{arxiv.1206.6687,
title = {Zero-voltage conductance peak from weak antilocalization in a Majorana nanowire},
author = {D. I. Pikulin and J. P. Dahlhaus and M. Wimmer and H. Schomerus and C. W. J. Beenakker},
journal= {arXiv preprint arXiv:1206.6687},
year = {2014}
}
备注
13 pages, 8 figures. Addendum, February 2014: Appendix B shows results for weak antilocalization in the circular ensemble. (This appendix is not in the published version.)