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Please use this identifier to cite or link to this item: http://dspace.univer.kharkov.ua/handle/123456789/9096

Название: Current-controlled filter on superconducting films with a tilted washboard pinning potential
Авторы: Dobrovolskiy, O.V.
Shklovskij, V.A.
Huth, M.
Issue Date: 2012
Издатель: Elsevier
Библиографическое описание: Physics Procedia 36 ( 2012 ) 9 – 12
Краткий осмотр (реферат): The influence of an ac current of arbitrary amplitude and frequency on the mixed-state dc-voltage-ac-drive tiltingratchet response of a superconducting film with uniaxial cosine pinning potential at finite temperature is theoretically investigated. The results are obtained in the single-vortex approximation, within the frame of an exact solution of the Langevin equation for non-interacting vortices. Both experimentally achievable, the dc ratchet response and absorbed ac power are predicted to demonstrate a pronounced filter-like behavior at microwave frequencies. Based on our findings, we propose a cut-off filter and discuss its operating curves as functions of the driving parameters, i.e, ac amplitude, frequency, and dc bias. The predicted results can be examined, e.g, on superconducting films with a washboard pinning potential landscape.
URI: http://dspace.univer.kharkov.ua/handle/123456789/9096
Appears in Collections:Наукові роботи. Фізичний факультет

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