Reference : Voltage rectification effects in mesoscopic superconducting triangles: Experiment and...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Voltage rectification effects in mesoscopic superconducting triangles: Experiment and modeling
Schildermans, N. [> > > >]
Kolton, A. B. [> > > >]
Salenbien, R. [> > > >]
Marconi, V. I. [> > > >]
Silhanek, Alejandro mailto [Katholieke Universiteit Leuven - KUL > > > >]
Moshchalkov, V. V. [> >]
Physical Review. B : Condensed Matter
American Institute of Physics
Yes (verified by ORBi)
New York
[en] superconductivity
[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.

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