Phase-coherent effects in multiterminal superconductor/normal metal mesoscopic structures

A. F. Volkov, R. Seviour

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Abstract

In this report we analyse three effects which may arise in a mesoscopic multiterminal S/N structure (two normal and two superconducting reservoirs). We show that the Josephson critical current is a non-monotonic function of a voltage between the normal reservoirs. The influence of the spin-polarized electrons on the Josephson critical current was also studied. We show that if there is a temperature difference between the normal reservoirs, a voltage between the superconductors and normal conductors arises which oscillates as the phase difference varies. Its magnitude is much greater than the thermo-emf in the case of the ordinary thermoelectric effect.

Original languageEnglish
Pages (from-to)11-18
Number of pages8
JournalPhysica C: Superconductivity and its Applications
Volume352
Issue number1-4
DOIs
Publication statusPublished - Apr 2001
Externally publishedYes

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