Title
Multiple flux jumps and irreversible behavior of thin Al superconducting rings Multiple flux jumps and irreversible behavior of thin Al superconducting rings
Author
Faculty/Department
Faculty of Sciences. Biology
Faculty of Sciences. Physics
Publication type
article
Publication
Lancaster, Pa ,
Subject
Physics
Source (journal)
Physical review : B : condensed matter and materials physics. - Lancaster, Pa, 1998 - 2015
Volume/pages
67(2003) :5 , p. 1-6
ISSN
1098-0121
1550-235X
1098-0121
Article Reference
054506
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
An experimental and theoretical investigation was made of flux jumps and irreversible magnetization curves of mesoscopic Al superconducting rings. In the small magnetic-field region the change of vorticity with magnetic field can be larger than unity. This behavior is connected with the existence of several metastable states of different vorticities. The intentional introduction of a defect in the ring has a large effect on the size of the flux jumps. Calculations based on the time-dependent Ginzburg-Landau model allows us to explain the experimental results semiquantitatively.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/fe9fb4/4621.pdf
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