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Current-controlled filter on superconducting films with a tilted washboard pinning potential

  • 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.

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Metadaten
Author:Oleksandr V. DobrovolskiyORCiDGND, Valerij Aleksandrovič ŠklovskijGND, Michael HuthORCiDGND
URN:urn:nbn:de:hebis:30:3-766815
DOI:https://doi.org/10.1016/j.phpro.2012.06.031
ISSN:1875-3892
Parent Title (English):Physics procedia
Publisher:Elsevier
Place of publication:Amsterdam
Document Type:Conference Proceeding
Language:English
Date of Publication (online):2012/09/08
Date of first Publication:2012/09/08
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Contributing Corporation:Superconductivity Centennial Conference (2011 : Den Haag)
Release Date:2024/04/11
Tag:Vortex ratchets; absorbed power; superconducting devices; washboard pinning potential
Volume:36
Page Number:4
First Page:9
Last Page:12
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
PACS-Classification:70.00.00 CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES / 74.00.00 Superconductivity (for superconducting devices, see 85.25.-j) / 74.25.-q Properties of type I and type II superconductors / 74.25.Fy Transport properties (electric and thermal conductivity, thermoelectric effects, etc.)
70.00.00 CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES / 74.00.00 Superconductivity (for superconducting devices, see 85.25.-j) / 74.25.-q Properties of type I and type II superconductors / 74.25.Qt Vortex lattices, flux pinning, flux creep
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - CC BY-NC-ND - Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International

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