利用强耗散引线抑制Andreev束缚态零偏压峰
介观与纳米尺度物理
2022-02-22 v1
摘要
混合半导体-超导体纳米线被预言承载Majorana零模，表现为隧穿电导中的零偏压峰（ZBPs）。然而，由于同一系统中普遍存在的Andreev束缚态，仅凭ZBPs尚不足为证。此处，我们在InAs-Al纳米线器件中引入强阻性正常引线，并显示大多数对应零能Andreev束缚态的预期ZBPs可被抑制，此现象称为环境库仑阻塞。我们的结果是该耗散相互作用对Andreev束缚态影响的首次实验演示，并可作为未来Majorana搜寻中收窄ZBP相图的可能滤波器。
引用
@article{arxiv.2111.00708,
title = {Suppressing Andreev bound state zero bias peaks using a strongly dissipative lead},
author = {Shan Zhang and Zhichuan Wang and Dong Pan and Hangzhe Li and Shuai Lu and Zonglin Li and Gu Zhang and Donghao Liu and Zhan Cao and Lei Liu and Lianjun Wen and Dunyuan Liao and Ran Zhuo and Runan Shang and Dong E Liu and Jianhua Zhao and Hao Zhang},
journal= {arXiv preprint arXiv:2111.00708},
year = {2022}
}
备注
Raw data and processing codes within this paper are available at https://doi.org/10.5281/zenodo.5630076