Quantum Andreev interferometer in an environment

Yu.M. Gal’perin^а, б, L.Yu. Gorelik^в, г, N.I. Lundin^в, г, V.S. Shumeiko^г, в, R.I. Shekhter^в, г, M. Jonson^г, в
^аФизико-технический институт им. А.Ф. Иоффе РАН, Политехническая ул. 26, Санкт-Петербург, 194021, Российская Федерация
^бUniversity of Oslo, , Oslo, 0316, Norway , Oslo, Норвегия
^вDepartment of Applied Physics, Chalmers University of Technology, Göteborg, S-41296, Göteborg, Швеция
^гUniversity of Gothenburg, Gothenburg, Gothenburg, Швеция

The influence of a noisy environment on coherent transport in Andreev states through a point contact between two superconductors is considered. 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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English fulltext is available at DOI: 10.1070/1063-7869/44/10S/S27

PACS: 71.10.+Pm, 73.22.Dj, 85.25.−j, 73.40.Gk (все)
DOI: 10.1070/1063-7869/44/10S/S27
URL: https://ufn.ru/ru/articles/2001/13/aa/
Цитата: Gal’perin Yu M, Gorelik L Yu, Lundin N I, Shumeiko V S, Shekhter R I, Jonson M "Quantum Andreev interferometer in an environment" УФН 171 121–126 (2001)

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English citation: Gal’perin Yu M, Gorelik L Yu, Lundin N I, Shumeiko V S, Shekhter R I, Jonson M “Quantum Andreev interferometer in an environment” Phys. Usp. 44 121–126 (2001); DOI: 10.1070/1063-7869/44/10S/S27