Article (Scientific journals)
Voltage rectification effects in mesoscopic superconducting triangles: Experiment and modeling
Schildermans, N.; Kolton, A. B.; Salenbien, R. et al.
2007In Physical Review. B, Condensed Matter, 76 (22)
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Keywords :
superconductivity
Abstract :
[en] The interaction of externally applied currents with persistent currents induced by magnetic field in a mesoscopic triangle is investigated. As a consequence of the superposition of these currents, clear voltage rectification effects are observed. We demonstrate that the amplitude of the rectified signal strongly depends on the configurations of the current leads with the lowest signal obtained when the contacts are aligned along a median of the triangle. When the contacts are aligned off centered compared to the geometrical center, the voltage response shows oscillations as a function of the applied field, whose sign can be controlled by shifting the contacts. These results are in full agreement with theoretical predictions for an analogous system consisting of a closed loop with a finite number of identical Josephson junctions.
Disciplines :
Physics
Author, co-author :
Schildermans, N.
Kolton, A. B.
Salenbien, R.
Marconi, V. I.
Silhanek, Alejandro  ;  Katholieke Universiteit Leuven - KUL
Moshchalkov, V. V.
Language :
English
Title :
Voltage rectification effects in mesoscopic superconducting triangles: Experiment and modeling
Publication date :
2007
Journal title :
Physical Review. B, Condensed Matter
ISSN :
0163-1829
eISSN :
1095-3795
Publisher :
American Institute of Physics, New York, United States - New York
Volume :
76
Issue :
22
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 11 November 2011

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