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cond-mat.supr-con2005
Dissipation in ultra-thin current-carrying superconducting bridges; evidence for quantum tunneling of Pearl vortices
F. Tafuri, J. R. Kirtley, D. Born +5
We have made current-voltage (IV) measurements of artificially layered high- thin-film bridges. Scanning SQUID microscopy of these films provides values for the Pearl lengths…
cond-mat.supr-con2005
Anti-ferromagnetic ordering in arrays of superconducting pi-rings
J. R. Kirtley, C. C. Tsuei, Ariando +2
We report experiments in which one dimensional (1D) and two dimensional (2D) arrays of YBa2Cu3O7-x-Nb pi-rings are cooled through the superconducting transition temperature of the…