Brownian refrigeration by hybrid tunnel junctions

J.T. Peltonen, M. Helle, Andrey Timofeev, P. Solinas, F.W.J. Hekking, J.P. Pekola

    Research output: Contribution to journalArticleScientificpeer-review

    8 Citations (Scopus)

    Abstract

    Voltage fluctuations generated in a hot resistor can cause extraction of heat from a colder normal metal electrode of a hybrid tunnel junction between a normal metal and a superconductor. We extend the analysis presented in Phys. Rev. Lett. 98, 210604 (2007) of this heat rectifying system, bearing resemblance to a Maxwell’s demon. Explicit analytic calculations show that the entropy of the total system is always increasing. We then consider a single-electron transistor configuration with two hybrid junctions in series, and show how the cooling is influenced by charging effects. We analyze also the cooling effect from nonequilibrium fluctuations instead of thermal noise, focusing on the shot noise generated in another tunnel junction. We conclude by discussing limitations for an experimental observation of the effect.
    Original languageEnglish
    Article number144505
    JournalPhysical Review B: Condensed Matter and Materials Physics
    Volume84
    Issue number14
    DOIs
    Publication statusPublished - 2011
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Tunnel junctions
    Refrigeration
    tunnel junctions
    Bearings (structural)
    Metals
    Single electron transistors
    Cooling
    Shot noise
    Thermal noise
    Resistors
    Superconducting materials
    cooling
    heat
    single electron transistors
    Entropy
    thermal noise
    shot noise
    resistors
    metals
    Electrodes

    Cite this

    Peltonen, J. T., Helle, M., Timofeev, A., Solinas, P., Hekking, F. W. J., & Pekola, J. P. (2011). Brownian refrigeration by hybrid tunnel junctions. Physical Review B: Condensed Matter and Materials Physics, 84(14), [144505]. https://doi.org/10.1103/PhysRevB.84.144505
    Peltonen, J.T. ; Helle, M. ; Timofeev, Andrey ; Solinas, P. ; Hekking, F.W.J. ; Pekola, J.P. / Brownian refrigeration by hybrid tunnel junctions. In: Physical Review B: Condensed Matter and Materials Physics. 2011 ; Vol. 84, No. 14.
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    Peltonen, JT, Helle, M, Timofeev, A, Solinas, P, Hekking, FWJ & Pekola, JP 2011, 'Brownian refrigeration by hybrid tunnel junctions', Physical Review B: Condensed Matter and Materials Physics, vol. 84, no. 14, 144505. https://doi.org/10.1103/PhysRevB.84.144505

    Brownian refrigeration by hybrid tunnel junctions. / Peltonen, J.T.; Helle, M.; Timofeev, Andrey; Solinas, P.; Hekking, F.W.J.; Pekola, J.P.

    In: Physical Review B: Condensed Matter and Materials Physics, Vol. 84, No. 14, 144505, 2011.

    Research output: Contribution to journalArticleScientificpeer-review

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    AU - Peltonen, J.T.

    AU - Helle, M.

    AU - Timofeev, Andrey

    AU - Solinas, P.

    AU - Hekking, F.W.J.

    AU - Pekola, J.P.

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    AB - Voltage fluctuations generated in a hot resistor can cause extraction of heat from a colder normal metal electrode of a hybrid tunnel junction between a normal metal and a superconductor. We extend the analysis presented in Phys. Rev. Lett. 98, 210604 (2007) of this heat rectifying system, bearing resemblance to a Maxwell’s demon. Explicit analytic calculations show that the entropy of the total system is always increasing. We then consider a single-electron transistor configuration with two hybrid junctions in series, and show how the cooling is influenced by charging effects. We analyze also the cooling effect from nonequilibrium fluctuations instead of thermal noise, focusing on the shot noise generated in another tunnel junction. We conclude by discussing limitations for an experimental observation of the effect.

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