Title
Dynamics of kinematic vortices in a mesoscopic superconducting loopDynamics of kinematic vortices in a mesoscopic superconducting loop
Author
Faculty/Department
Faculty of Sciences. Physics
Research group
Condensed Matter Theory
Publication type
article
Publication
Amsterdam,
Subject
Physics
Source (journal)
Physica: C: superconductivity. - Amsterdam
Volume/pages
470(2010):19, p. 946-948
ISSN
0921-4534
ISI
000282454400061
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Using the time-dependent GinzburgLandau formalism, we study the dynamic properties of a submicron superconducting loop in applied current and in presence of a perpendicular magnetic field. The resistive state of the sample is caused by the motion of kinematic vortexantivortex pairs. Vortices and antivortices move in opposite directions to each other, perpendicularly to the applied drive, and the periodic creation and annihilation of such pairs results in periodic oscillations of the voltage across the sample. The dynamics of these kinematic pairs is strongly influenced by the applied magnetic field, which for high fields leads to the flow of just vortices. Kinematic vortices can be temporarily pinned inside the loop with observable trace in the voltage vs. time characteristics.
E-info
https://repository.uantwerpen.be/docman/iruaauth/8bbcef/76cef416c97.pdf
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