| Issue |
Europhys. Lett.
Volume 48, Number 3, November I 1999
|
|
|---|---|---|
| Page(s) | 313 - 319 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1999-00483-y | |
| Published online | 01 September 2002 | |
Modulation instability of the order parameter in thin-film superconductors with edge barrier
1
Nizhny Novgorod University - 603600 Nizhny Novgorod, Russia
2
Max-Planck-Institut für Metallforschung - D-70569 Stuttgart, Germany
Received:
9
April
1999
Accepted:
8
September
1999
The influence of the ideal edge barrier on the entry of vortices and on the magnetization curve of a thin superconducting film is studied within Ginzburg-Landau theory. A modulation instability of the superconducting order parameter is predicted to occur at the film edges when the longitudinal component of the kinematic momentum reaches a critical value at the edges. Successive instabilities lead to a sequence of vortex-chain entry fields and to a serrated structure in the magnetization curve.
PACS: 74.60.Ec – Mixed state, critical fields, and surface sheath
© EDP Sciences, 1999
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