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| Title: | Thermal Conductance by the Inverse Proximity Effect in a Superconductor |
| Author(s): | Peltonen, J. T. ; Virtanen, P. ; Meschke, M. ; Koski, J. V. ; Heikkilä, T. T. ; Pekola, Jukka P. |
| Date: | 2010 |
| Language: | en |
| Pages: | 097004/1-4 |
| Department: | Department of Applied Physics Teknillisen fysiikan laitos |
| Series: | Physical Review Letters, Volume 105, Issue 9 |
| ISSN: | 0031-9007 (printed) |
| DOI-number: | 10.1103/physrevlett.105.097004 |
| Subject: | Physics |
| Keywords: | heat transport, superconductors, thermal conductance, wires, inhomogeneous superconductivity |
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Peltonen, J. T. & Virtanen, P. & Meschke, M. & Koski, J. V. & Heikkilä, T. T. & Pekola, Jukka. 2010. Thermal Conductance by the Inverse Proximity Effect in a Superconductor. Physical Review Letters. Volume 105, Issue 9. 097004/1-4. ISSN 0031-9007 (printed). DOI: 10.1103/physrevlett.105.097004. |
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Abstract: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.
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Rights:© 2010 American Physical Society (APS). http://www.aps.org/ |
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