Title
Stability of vortex-antivortex "molecules" in mesoscopic superconducting triangles Stability of vortex-antivortex "molecules" in mesoscopic superconducting triangles
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
conferenceObject
Publication
Subject
Physics
Source (journal)
Realizing Controllable Quantum States: mesoscopic superconductivity and spintronics
Source (book)
3rd International Symposium on Mesoscopic Superconductivity and, Spintronics, MAR 01-04, 2004, Atsugi City, JAPAN
Volume/pages
(2005) , p. 191-196
ISBN
981-256-468-3
ISI
000234363700030
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We have revealed thermodynamically stable vortex-antivortex configurations in mesoscopic type I superconducting equilateral triangles. The revealed effect is explained by two factors: (i) vortex confinement in mesoscopic triangles and (ii) appearance of the vortex-antivortex repulsion in mesoscopic type I superconductor triangles in the vicinity of the dual point. The stability of the obtained solutions is examined as a function of material and external parameters - the Ginzburg-Landau parameter K and temperature - as well as a function of a distortion of the sample's shape. The vortex-antivortex. "molecule" turns out to be stable in a wide range of the parameters that makes it possible its experimental visualization.
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