Phase Fluctuations and Non-Equilibrium Josephson Effect

Details Phase Fluctuations and Non-Equilibrium Josephson Effect Phase Fluctuations and Non-Equilibrium Josephson Effect

1999-06-25

arxiv.org/abs/cond-mat/9906400v2

Physics

Condensed Matter

Superconductivity

4 pages, 1 .eps figure; References added

Scientific paper

We consider a diffusive S-N-S junction with electrons in the normal layer driven out of equilibrium by external bias. We show that, the non-equilibrium fluctuations of the electron density in the normal layer cause the fluctuations of the phase of the order parameter in the S-layers. As a result, the magnitude of the Josephson current in the non-equilibrium junction is significantly supressed relative to its mean field value.

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