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Evanescent states and nonequilibrium in driven superconducting nanowires
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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en
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10
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Physical Review B, Volume 85, issue 22, pp. 1-10
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.
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Vercruyssen, N, Verhagen, T G A, Flokstra, M G, Pekola, J P & Klapwijk, T M 2012, 'Evanescent states and nonequilibrium in driven superconducting nanowires', Physical Review B, vol. 85, no. 22, 224503, pp. 1-10. https://doi.org/10.1103/PhysRevB.85.224503