按需相干单电子源
介观与纳米尺度物理
2009-09-29 v1
作者:
Gwendal Fève
, Adrien Mahé
, Jean-Marc Berroir
, Takis Kontos
, Bernard Plaçais
, Christian Glattli
, A. Cavanna
, Bernard Etienne
, Yong Jin
摘要
我们报告了单光子枪的电子类似物。利用通过隧穿势垒与导体相连的量子点,实现了向量子导体中的按需单电子注入。电子发射由施加补偿量子点充电能的电位阶跃所触发。根据势垒透射率的不同,量子发射时间在0.1到10纳秒之间。该单电子源应能用于在弹道导体中实现量子比特。此外,单电子发射和吸收的周期序列会产生量子化交流电流。
引用
@article{arxiv.0705.4394,
title = {An On-Demand Coherent Single Electron Source},
author = {Gwendal Fève and Adrien Mahé and Jean-Marc Berroir and Takis Kontos and Bernard Plaçais and Christian Glattli and A. Cavanna and Bernard Etienne and Yong Jin},
journal= {arXiv preprint arXiv:0705.4394},
year = {2009}
}
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