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Impurity-induced dephasing of Andreev states

Superconductivity 2009-10-31 v1 Mesoscale and Nanoscale Physics
Authors: N. I. Lundin , Y. M. Galperin
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Abstract

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.

Keywords

Andreev states dephasing flicker noise quantum interferometer superconducting quantum point contact electromagnetic environment

Cite

@article{arxiv.cond-mat/0003344,
  title  = {Impurity-induced dephasing of Andreev states},
  author = {N. I. Lundin and Y. M. Galperin},
  journal= {arXiv preprint arXiv:cond-mat/0003344},
  year   = {2009}
}

Comments

8 pages, 4 figures

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