Cooper Pair Splitting Efficiency in the Hybrid Three-Terminal Quantum Dot

被引：0
|
作者：
Grzegorz Michałek
Tadeusz Domański
Karol I. Wysokiński
机构：
[1] Polish Academy of Sciences,Institute of Molecular Physics
[2] M. Curie-Skłodowska University,Institute of Physics
来源：
Journal of Superconductivity and Novel Magnetism | 2017年 / 30卷
关键词：
Cooper pair splitting; Hybrid structures; Andreev reflection;
D O I：
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中图分类号：
学科分类号：
摘要：
Nanodevices consisting of a quantum dot tunnel coupled to one superconducting and two normal electrodes may serve as a source of entangled electrons. As a result of crossed Andreev reflection the Cooper pair of s-wave character may be split into two electrons and each of them goes into a distinct normal electrode, preserving entanglement. Efficiency of the process depends on the specific system and is tunable by electric means. Our calculations show that in the studied device this efficiency may attain values as large as 80 %.
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页码：135 / 138
页数：3
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