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

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

2000-03-23

arxiv.org/abs/cond-mat/0003370v3

Physics

Condensed Matter

Superconductivity

Report presented at Intern. Symposium on Mesoscopic Superconductivity (MS2000, 8-10 March, Japan). Replaced with correct TEX f

Scientific paper

10.1016/S0921-4534(00)01667-1

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 thermoemf in the case of the ordinary thermoelectric effect.

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