Supercurrent reversal in quantum dots

被引：0
|
作者：
Jorden A. van Dam
Yuli V. Nazarov
Erik P. A. M. Bakkers
Silvano De Franceschi
Leo P. Kouwenhoven
机构：
[1] Delft University of Technology,Kavli Institute of Nanoscience
[2] Philips Research Laboratories,undefined
[3] Laboratorio Nazionale TASC INFM-CNR,undefined
[4] Area Science Park,undefined
来源：
Nature | 2006年 / 442卷
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摘要：
This paper reports a study of supercurrents through a quantum dot created in a semiconductor nanowire by local electrostatic gating. Owing to strong Coulomb interaction, electrons only tunnel one-by-one through the discrete energy levels of the quantum dot. This, nevertheless, can yield a supercurrent when subsequent tunnel events are coherent.
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页码：667 / 670
页数：3
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