Impurity-induced dephasing of Andreev states

被引：3
|
作者：
Lundin, NI
Galperin, YM
机构：
[1] Ctr Adv Studies, N-0271 Oslo, Norway
[2] Chalmers Univ Technol, Dept Appl Phys, S-41296 Gothenburg, Sweden
[3] Univ Gothenburg, S-41296 Gothenburg, Sweden
[4] Univ Oslo, Dept Phys, N-0316 Oslo, Norway
[5] Russian Acad Sci, Ioffe Inst, Div Solid State Phys, St Petersburg 194021, Russia
来源：
PHYSICAL REVIEW B | 2001年 / 63卷 / 09期
关键词：
D O I：
10.1103/PhysRevB.63.094505
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A study is presented concerning the influence of flicker noise in the junction transparency on coherent transport in Andreev states. The amount of dephasing is estimated for a microwave-activated quantum interferometer. Possibilities of experimentally investigating the coupling between a superconducting quantum point contact and its electromagnetic environment are discussed.
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页数：7
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