Josephson effects in a superconductor–normal-metal mesoscopic structure with a dangling superconducting arm

R. Shaikhaidarov; A. F. Volkov; H. Takayanagi; V. T. Petrashov; P. Delsing

doi:10.1103/PhysRevB.62.R14649

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Josephson effects in a superconductor–normal-metal mesoscopic structure with a dangling superconducting arm

R. Shaikhaidarov, A. F. Volkov, H. Takayanagi, V. T. Petrashov, P. Delsing

DOI 10.1103/PhysRevB.62.R14649 · Physical Review B

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Abstract

We studied a mesoscopic crosslike normal-metal structure connected to two superconducting (S) and two normal (N) reservoirs. We observed the Josephson effect under unusual conditions when there is no current through one of the two S/N interfaces. The potential difference between the S reservoirs was zero unless the voltage applied between S and N reservoirs exceeded a critical value although the electric potential in the N wire connecting the superconductors varied in a nonmonotonic way. The observed effects are discussed theoretically.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Al Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	1.4	Pressure not reported	onset