Title
Geometry-induced localization of thermal fluctuations in ultrathin superconducting structures Geometry-induced localization of thermal fluctuations in ultrathin superconducting structures
Author
Faculty/Department
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
82(2010) :5 , p. 054523,1-054523,6
ISSN
1098-0121
ISI
000281294700006
Article Reference
054523
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Thermal fluctuations of the order parameter in an ultrathin triangular-shaped superconducting structure are studied near Tc, in zero applied field. We find that the order parameter is prone to much larger fluctuations in the corners of the structure as compared to its interior. This geometry-induced localization of thermal fluctuations is attributed to the fact that condensate confinement in the corners is characterized by a lower effective dimensionality, which favors stronger fluctuations.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/8e186b/f88f4323.pdf
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