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Effects of Energy Dissipation on the Parametric Excitation of a Coupled Qubit-Cavity Systemстатья
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: 3 октября 2019 г.
- Авторы: Remizov S.V., Zhukov A.A., Shapiro D.S., Pogosov W.V., Lozovik Yu E.
- Журнал: Journal of Low Temperature Physics
- Том: 191
- Номер: 5
- Год издания: 2018
- Издательство: Springer Verlag
- Местоположение издательства: Germany
- Первая страница: 365
- Последняя страница: 372
- DOI: 10.1007/s10909-018-1875-6
- Аннотация: We consider a parametrically driven system of a qubit coupled to a cavity taking into account different channels of energy dissipation. We focus on the periodic modulation of a single parameter of this hybrid system, which is the coupling constant between the two subsystems. Such a modulation is possible within the superconducting realization of qubit–cavity coupled systems, characterized by an outstanding degree of tunability and flexibility. Our major result is that energy dissipation in the cavity can enhance population of the excited state of the qubit in the steady state, while energy dissipation in the qubit subsystem can enhance the number of photons generated from vacuum. We find optimal parameters for the realization of such dissipation-induced amplification of quantum effects. Our results might be of importance for the full control of quantum states of coupled systems as well as for the storage and engineering of quantum states.
- Добавил в систему: Жуков Андрей Андреевич