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arxiv: cond-mat/0003344 · v1 · submitted 2000-03-21 · ❄️ cond-mat.supr-con · cond-mat.mes-hall

Impurity-induced dephasing of Andreev states

classification ❄️ cond-mat.supr-con cond-mat.mes-hall
keywords andreevdephasingquantumstatesamountcoherentconcerningcontact
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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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