New Experiments for Spontaneous Vortex Formation in Josephson Tunnel Junctions
Superconductivity
2012-03-29 v1
Abstract
It has been argued by Zurek and Kibble that the likelihood of producing defects in a continuous phase transition depends in a characteristic way on the quench rate. In this paper we discuss an improved experiment for measuring the Zurek-Kibble scaling exponent for the production of fluxons in annular symmetric Josephson Tunnel Junctions. We find . Further, we report accurate measurements of the junction gap voltage temperature dependence which allow for precise monitoring of the fast temperature variations during the quench.
Cite
@article{arxiv.cond-mat/0607021,
title = {New Experiments for Spontaneous Vortex Formation in Josephson Tunnel Junctions},
author = {R. Monaco and M. Aaroe and J. Myging and R. J. Rivers and V. P. Koshelets},
journal= {arXiv preprint arXiv:cond-mat/0607021},
year = {2012}
}
Comments
12 pages, 5 figures, submitted to Phys. Rev. B