Possible dynamics of Josephson junction arrays connected to high-Q tank circuit

Авторы: Kornev V.R., Kolotinskiy N.V.
Журнал: Journal of Physics: Conference Series
Том: 1559
Номер: 1
Год издания: 2020
Издательство: IOP Publishing
Местоположение издательства: [Bristol, UK], England
Номер статьи: 012006
DOI: 10.1088/1742-6596/1559/1/012006
Аннотация: Serial Josephson junction arrays connected to high-Q tank circuit are analysed and discussed. Numerical simulation of the systems shows two possible oscillation modes above resonance frequency, the in-phase oscillation mode and the collectively anti-phased oscillation mode. This fact is responsible for intricate switching dynamics, which in some cases blocks resonance excitations. Stability field of the modes depends on McCumber parameter of the junctions. Increase in McCumber parameter is favourable to the in-phase mode. When the stable in-phase resonance oscillations are kept, the resonance peak-like peculiarities on IV curve and Shapiro steps can be described through the analytic theory derived for one junction case and extended over the array systems.
Добавил в систему: Корнев Виктор Константинович

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