Anomalous Modulation of a Zero-Bias Peak in a Hybrid Nanowire-Superconductor Device

被引：691

作者：

Finck, A. D. K. ^{[1
,2
]}

Van Harlingen, D. J. ^{[1
,2
]}

Mohseni, P. K. ^{[3
]}

Jung, K. ^{[3
]}

Li, X. ^{[3
]}

机构：

[1] Univ Illinois, Dept Phys, Urbana, IL 61801 USA

[2] Univ Illinois, Mat Res Lab, Urbana, IL 61801 USA

[3] Univ Illinois, Dept Elect & Comp Engn, Micro & Nanotechnol Lab, Urbana, IL 61801 USA

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 110卷 / 12期

基金：

美国国家科学基金会;

关键词：

QUANTUM; CONDUCTANCE; SUPERCURRENT; FERMIONS; GIANT;

D O I：

10.1103/PhysRevLett.110.126406

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on transport measurements of an InAs nanowire coupled to niobium nitride leads at high magnetic fields. We observe a zero-bias anomaly (ZBA) in the differential conductance of the nanowire for certain ranges of magnetic field and chemical potential. The ZBA can oscillate in width with either the magnetic field or chemical potential; it can even split and re-form. We discuss how our results relate to recent predictions of hybridizing Majorana fermions in semiconducting nanowires, while considering more mundane explanations. DOI: 10.1103/PhysRevLett.110.126406

引用

页数：5

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