Nonlinear Resonance of Superconductor/Normal Metal Structures to Microwaves
arXiv:1004.2845 · doi:10.1103/PhysRevB.82.024502
Abstract
We study the variation of the differential conductance of a normal metal wire in a Superconductor/Normal metal heterostructure with a cross geometry under external microwave radiation applied to the superconducting parts. Our theoretical treatment is based on the quasiclassical Green's functions technique in the diffusive limit. Two limiting cases are considered: first, the limit of a weak proximity effect and low microwave frequency, second, the limit of a short dimension (short normal wire) and small irradiation amplitude.
arXiv comment11 pages, 10 figures
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