Magnetoresistance in an electronic cavity coupled to one-dimensional systems

被引：2

作者：

Yan, Chengyu ^{[1
,2
]}

Kumar, Sanjeev ^{[1
,2
]}

See, Patrick ^{[3
]}

Farrer, Ian ^{[4
,5
]}

Ritchie, David ^{[4
]}

Griffiths, J. P. ^{[4
]}

Jones, G. A. C. ^{[4
]}

Pepper, Michael ^{[1
,2
]}

机构：

[1] London Ctr Nanotechnol, 17-19 Gordon St, London WC1H 0AH, England

[2] UCL, Dept Elect & Elect Engn, Torrington Pl, London WC1E 7JE, England

[3] Natl Phys Lab, Hampton Rd, Teddington TW11 0LW, Middx, England

[4] Cavendish Lab, JJ Thomson Ave, Cambridge CB3 0HE, England

[5] Univ Sheffield, Dept Elect & Elect Engn, Mappin St, Sheffield S1 3JD, S Yorkshire, England

来源：

APPLIED PHYSICS LETTERS | 2018年 / 113卷 / 11期

基金：

英国工程与自然科学研究理事会;

关键词：

WEAK-LOCALIZATION; POINT-CONTACT; QUANTUM; CONDUCTANCE; SCATTERING; DOT;

D O I：

10.1063/1.5049936

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

hi this work, we performed magnetoresistance measurement in a hybrid system consisting of an arc-shaped quantum point contact (QPC) and a flat, rectangular QPC, both of which together form an electronic cavity between them. The results highlight a transition between collimation-induced resistance dip to a magnetoresistance peak as the strength of coupling between the QPC and the electronic cavity was increased. The initial results show the promise of hybrid quantum system for future quantum technologies. (C) 2018 Author(s).

引用

页数：4

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