Thermal conductance by the inverse proximity effects in a superconductor

Joonas Peltonen, Pauli Virtanen, Matthias Meschke, J.V. Koski, Tero Heikkilä, Jukka Pekola

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23 Citations (Scopus)
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We study heat transport in hybrid lateral normal-metal–superconductor–normal-metal structures. We find the thermal conductance of a short superconducting wire to be strongly enhanced beyond the BCS value due to the inverse proximity effect, resulting from contributions of elastic cotunneling and crossed Andreev reflection of quasiparticles. Our measurements agree with a model based on the quasiclassical theory of inhomogeneous superconductivity in the diffusive limit.
Original languageEnglish
Article number097004
Pages (from-to)1-4
Number of pages4
JournalPhysical Review Letters
Issue number9
Publication statusPublished - 27 Aug 2010
MoE publication typeA1 Journal article-refereed


  • Proximity Superconductor
  • superconductor


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