Determination of the Current–Phase Relation in Josephson Junctions by Means of an Asymmetric Two-Junction SQUID

Ginzburg, L.V.; Batov, I.E.; Bol’ginov, V.V.; Egorov, S.V.; Chichkov, V.I.; Shchegolev, A.E.; Klenov, N.V.; Soloviev, I.I.; Bakurskiy, S.V.; Kupriyanov, M.Y.

Информация о цитировании статьи получена из Web of Science, Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 10 апреля 2018 г.

Авторы: Ginzburg L.V., Batov I.E., Bol’ginov V.V., Egorov S.V., Chichkov V.I., Shchegolev A.E., Klenov N.V., Soloviev I.I., Bakurskiy S.V., Kupriyanov M.Yu
Журнал: JETP Letters
Том: 107
Номер: 1
Год издания: 2018
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 48
Последняя страница: 54
DOI: 10.1134/S0021364018010058
Аннотация: An analytical approach that makes it possible to reconstruct the current–phase relation (CPR) in Josephson structures included in one of the arms of a two-junction superconducting quantum interference device (SQUID), where the second junction has a significantly higher critical current and a known (sinusoidal) CPR, has been developed. The developed methods of analytical and numerical studies of current–flow transformations in two-junction SQUIDs make it possible to reconstruct the CPR of a junction with a low critical current taking into account both the existence of the self-inductance of the interferometer contour and a possible asymmetry in the supply current system. The efficiency of this approach has been confirmed by the experimental study of niobium–aluminum/aluminum oxide–niobium test structures with the known CPR.
Добавил в систему: Куприянов Михаил Юрьевич

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