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Giant vortex states in type I superconductors simulated by Ginzburg-Landau equations
- Source :
- J. Phys.: Condens. Matter 25 (2013) 385702
- Publication Year :
- 2013
-
Abstract
- The quantization of magnetic flux in superconductors is usually seen as vortices penetrating the sample. While vortices are unstable in bulk type I superconductors, restricting the superconductor causes a variety of vortex structures to appear. We present a systematic study of giant vortex states in type I superconductors obtained by numerically solving the Ginzburg-Landau equations. The size of the vortices is seen to increase with decreasing film thickness. In type I superconductors, giant vortices appear at intermediate thicknesses but they do not form a well-defined vortex lattice. In the thinnest type I films, singly quantized vortices seem to be stabilized by the geometry of the sample instead of an increase in the effective Ginzburg-Landau parameter.<br />Comment: 11 pages, 7 figures, to be published in J. Phys.: Condens. Matter
- Subjects :
- Condensed Matter - Superconductivity
Subjects
Details
- Database :
- arXiv
- Journal :
- J. Phys.: Condens. Matter 25 (2013) 385702
- Publication Type :
- Report
- Accession number :
- edsarx.1308.3661
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1088/0953-8984/25/38/385702