Evanescent states and nonequilibrium in driven superconducting nanowires

N. Vercruyssen, T.G.A. Verhagen, M.G. Flokstra, J.P. Pekola, T.M. Klapwijk

Research output: Contribution to journalArticleScientificpeer-review

26 Citations (Scopus)
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Abstract

We study the nonlinear response of current transport in a superconducting diffusive nanowire between normal reservoirs. We demonstrate theoretically and experimentally the existence of two different superconducting states appearing when the wire is driven out of equilibrium by an applied bias, called the global and bimodal superconducting states. The different states are identified by using two-probe measurements of the wire, and measurements of the local density of states with tunneling probes. The analysis is performed within the framework of the quasiclassical kinetic equations for diffusive superconductors.
Original languageEnglish
Article number224503
Pages (from-to)1-10
Number of pages10
JournalPhysical Review B
Volume85
Issue number22
DOIs
Publication statusPublished - 4 Jun 2012
MoE publication typeA1 Journal article-refereed

Keywords

  • Evanescent states
  • nonequilibrium
  • superconducting nanowires

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