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.

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AU - Solinas, P.

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AU - Pekola, J.P.

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