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Nucleation and growth of the superconducting phase in the presence of a current
1998
Physical Review B (Condensed Matter)
We study the localized stationary solutions of the one-dimensional time-dependent Ginzburg-Landau equations in the presence of a current. These threshold perturbations separate undercritical perturbations which return to the normal phase from overcritical perturbations which lead to the superconducting phase. Careful numerical work in the small-current limit shows that the amplitude of these solutions is exponentially small in the current; we provide an approximate analysis which captures this
doi:10.1103/physrevb.57.5432
fatcat:ylapa7lshvajdcy4jrrv3oc7zi