Impurity-induced dephasing of Andreev states

Details Impurity-induced dephasing of Andreev states Impurity-induced dephasing of Andreev states

2000-03-21

arxiv.org/abs/cond-mat/0003344v1

Physics

Condensed Matter

Superconductivity

8 pages, 4 figures

Scientific paper

10.1103/PhysRevB.63.094505

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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