Current-voltage characteristics of quasi-one-dimensional superconductors: an S-shaped curve in the constant voltage regime

Applying a constant voltage to superconducting nanowires we find that its I-V characteristic exhibits an unusual S behavior. This behavior is the direct consequence of the dynamics of the superconducting condensate and of the existence of two different critical currents: j(c2) at which the pure supe...

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Bibliographic Details
Published in:Physical review letters 2003-10, Vol.91 (15), p.157001-157001, Article 157001
Main Authors: Vodolazov, D Y, Peeters, F M, Piraux, L, Mátéfi-Tempfli, S, Michotte, S
Format: Article
Language:English
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Summary:Applying a constant voltage to superconducting nanowires we find that its I-V characteristic exhibits an unusual S behavior. This behavior is the direct consequence of the dynamics of the superconducting condensate and of the existence of two different critical currents: j(c2) at which the pure superconducting state becomes unstable and j(c1)
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.91.157001