| Issue |
Europhys. Lett.
Volume 53, Number 2, January 2001
|
|
|---|---|---|
| Page(s) | 240 - 245 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2001-00143-x | |
| Published online | 01 December 2003 | |
Spontaneous magnetic-flux generation in superconducting ring
Institute of Superconductivity, Department of Physics, Bar-Ilan University
Ramat Gan 52900, Israel
Received:
22
March
2000
Accepted:
10
November
2000
The Kibble-Zurek scenario for nucleation of topological defects of the order parameter during a symmetry-breaking phase transition in a superconducting ring is investigated. Solving numerically the set of time-dependent Ginzburg-Landau (TDGL) equations coupled with the temperature diffusion equation, we predict spontaneous generation of the magnetic flux inside the superconducting ring. Josephson weak links in the ring increase the magnitude of the spontaneously generated magnetic flux.
PACS: 74.40.+k – Fluctuations (noise, chaos, nonequilibrium superconductivity, localization, etc.) / 67.40.Vs – Vortices and turbulence
© EDP Sciences, 2001
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