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Observation of thermally excited charge transport modes in a superconducting single-electron transistor

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Observation of thermally excited charge transport modes in a superconducting single-electron transistor. / Manninen, A. J.; Pashkin, Yuri; Korotkov, A. N. et al.
In: EPL, Vol. 39, No. 3, 305, 1997.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Manninen AJ, Pashkin Y, Korotkov AN, Pekola JP. Observation of thermally excited charge transport modes in a superconducting single-electron transistor. EPL. 1997;39(3):305. doi: 10.1209/epl/i1997-00352-3

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@article{67b8304ce2cf446a9fb71ca47942e4b0,
title = "Observation of thermally excited charge transport modes in a superconducting single-electron transistor",
abstract = "Experiments on a superconducting single-electron transistor are reported. A new structure in the current-voltage characteristics at subgap voltages was observed when temperature was not too low as compared to the superconducting transition temperature Tc of the sample. The strength of the anomalies increases exponentially with temperature. The dominating features arise from matching of singularities in the density of states on two sides of a tunnel junction, and from the Josephson-quasiparticle cycle. Thermal excitations are essential for the former process, and they also make the latter process possible at low voltages.",
author = "Manninen, {A. J.} and Yuri Pashkin and Korotkov, {A. N.} and Pekola, {Jukka P.}",
year = "1997",
doi = "10.1209/epl/i1997-00352-3",
language = "English",
volume = "39",
journal = "EPL",
issn = "0295-5075",
publisher = "IOP Publishing Ltd.",
number = "3",

}

RIS

TY - JOUR

T1 - Observation of thermally excited charge transport modes in a superconducting single-electron transistor

AU - Manninen, A. J.

AU - Pashkin, Yuri

AU - Korotkov, A. N.

AU - Pekola, Jukka P.

PY - 1997

Y1 - 1997

N2 - Experiments on a superconducting single-electron transistor are reported. A new structure in the current-voltage characteristics at subgap voltages was observed when temperature was not too low as compared to the superconducting transition temperature Tc of the sample. The strength of the anomalies increases exponentially with temperature. The dominating features arise from matching of singularities in the density of states on two sides of a tunnel junction, and from the Josephson-quasiparticle cycle. Thermal excitations are essential for the former process, and they also make the latter process possible at low voltages.

AB - Experiments on a superconducting single-electron transistor are reported. A new structure in the current-voltage characteristics at subgap voltages was observed when temperature was not too low as compared to the superconducting transition temperature Tc of the sample. The strength of the anomalies increases exponentially with temperature. The dominating features arise from matching of singularities in the density of states on two sides of a tunnel junction, and from the Josephson-quasiparticle cycle. Thermal excitations are essential for the former process, and they also make the latter process possible at low voltages.

U2 - 10.1209/epl/i1997-00352-3

DO - 10.1209/epl/i1997-00352-3

M3 - Journal article

VL - 39

JO - EPL

JF - EPL

SN - 0295-5075

IS - 3

M1 - 305

ER -