Origin of hysteresis in proximity Josephson junction

H Courtois, Matthias Meschke, Joonas Peltonen, Jukka Pekola

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We investigate hysteresis in the transport properties of superconductor–normal-metal–superconductor (S-N-S) junctions at low temperatures by measuring directly the electron temperature in the normal metal. Our results demonstrate unambiguously that the hysteresis results from an increase of the normal-metal electron temperature once the junction switches to the resistive state. In our geometry, the electron temperature increase is governed by the thermal resistance of the superconducting electrodes of the junction.
Original languageEnglish
Article number067002
Pages (from-to)1-4
Number of pages4
JournalPhysical Review Letters
Issue number6
Publication statusPublished - 8 Aug 2008
MoE publication typeA1 Journal article-refereed


  • hysteresis
  • Josephson junction
  • normal-metal-superconductor

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