Brownian refrigeration by hybrid tunnel junctions

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Peltonen, J. T.
dc.contributor.author Helle, M.
dc.contributor.author Timofeev, A. V.
dc.contributor.author Solinas, P.
dc.contributor.author Hekking, F. W. J.
dc.contributor.author Pekola, Jukka P.
dc.date.accessioned 2015-05-26T09:00:59Z
dc.date.available 2015-05-26T09:00:59Z
dc.date.issued 2011
dc.identifier.citation Peltonen, J. T. & Helle, M. & Timofeev, A. V. & Solinas, P. & Hekking, F. W. J. & Pekola, Jukka. 2011. Brownian refrigeration by hybrid tunnel junctions. Physical Review B. Volume 84, Issue 14. 144505/1-14. ISSN 1098-0121 (printed). DOI: 10.1103/physrevb.84.144505. en
dc.identifier.issn 1098-0121 (printed)
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/16219
dc.description.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. en
dc.format.extent 144505/1-14
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Physical Society (APS) en
dc.relation.ispartofseries Physical Review B en
dc.relation.ispartofseries Volume 84, Issue 14
dc.rights © 2011 American Physical Society (APS). http://www.aps.org/ en
dc.subject.other Physics en
dc.title Brownian refrigeration by hybrid tunnel junctions en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.rights.holder American Physical Society (APS)
dc.contributor.school Perustieteiden korkeakoulu fi
dc.contributor.school School of Science en
dc.contributor.department Department of Applied Physics en
dc.contributor.department Teknillisen fysiikan laitos fi
dc.subject.keyword Brownian refrigeration en
dc.subject.keyword hybrid tunnel junctions en
dc.subject.keyword superconductors en
dc.subject.keyword electrodes en
dc.subject.keyword heat rectifying systems en
dc.subject.keyword single-electron transistors en
dc.identifier.urn URN:NBN:fi:aalto-201505262881
dc.type.dcmitype text en
dc.identifier.doi 10.1103/physrevb.84.144505
dc.type.version Final published version en


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