Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
1997-10-27
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
4 pages, 5 figures, to be published in Phys. Rev. B
Scientific paper
10.1103/PhysRevB.56.13738
We have investigated the bias-voltage dependence of the phase-dependent differential resistance of a disordered T-shaped 2-dimensional electron gas coupled to two superconducting terminals. The resistance oscillations first increase upon lowering the energy. For bias voltages below the Thouless energy, the resistance oscillations are suppressed and disappear almost completely at zero bias voltage. We find a qualitative agreement with the calculated reentrant behavior of the resistance and discuss quantitative deviations.
Borghs Gustaaf
den Hartog S. G.
Klapwijk Teum M.
Nazarov Yu. V.
van Wees Bart Jan
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