Subradiant Split Cooper Pairs

被引：46
|
作者：
Cottet, Audrey [1 ,2 ]
Kontos, Takis [1 ,2 ]
Levy Yeyati, Alfredo [3 ,4 ]
机构：
[1] Univ Paris 06, Lab Pierre Aigrain, Ecole Normale Super, CNRS UMR 8551, F-75231 Paris 05, France
[2] Univ Paris 07, Lab Pierre Aigrain, Ecole Normale Super, CNRS UMR 8551, F-75231 Paris 05, France
[3] Univ Autonoma Madrid, Dept Fis Teor Mat Condensada CV, E-28049 Madrid, Spain
[4] Univ Autonoma Madrid, Inst Nicolas Cabrera, E-28049 Madrid, Spain
来源：
PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 16期
关键词：
CARBON NANOTUBES; ENTANGLEMENT; NOISE; SPIN;
D O I：
10.1103/PhysRevLett.108.166803
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We suggest a way to characterize the coherence of the split Cooper pairs emitted by a double-quantum-dot based Cooper pair splitter (CPS), by studying the radiative response of such a CPS inside a microwave cavity. The coherence of the split pairs manifests in a strongly nonmonotonic variation of the emitted radiation as a function of the parameters controlling the coupling of the CPS to the cavity. The idea to probe the coherence of the electronic states using the tools of cavity quantum electrodynamics could be generalized to many other nanoscale circuits.
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页数：5
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