Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2011-01-02
Physics
Condensed Matter
Statistical Mechanics
4 pages, 4 figures
Scientific paper
We have imaged spontaneously created arrays of vortices (magnetic flux quanta), generated in a superconducting film quenched through its transition temperature at rates around $10^9 K/s$. From these images, we calculated the positional correlation functions for two vortices and for 3 vortices. We compared our results with simulations of the time dependent Ginzburg Landau equation in 2D. The results are in agreement with the Kibble-Zurek scenario of spontaneous vortex creation. In addition, the correlation functions are insensitive to the presence of a gauge field.
Golubchik Daniel
Koren Gad
Polturak Emil
Shapiro Boris Ya.
Shapiro Irwin I.
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