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| VOLUME 89 | ISSUE 4 |
PAGE 230
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| AC Josephson effect in the long voltage-biased SINIS junction |
K. S. Tikhonov+*, M. V. Feigel'man*+
+Moscow Institute of Physics and Technology, 141700 Moscow, Russia *L.D. Landau Institute for Theoretical Physics RAS, 117940 Moscow, Russia
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PACS: 74.40.+k, 74.45.+c, 74.78.Na
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Abstract
Theory of non-stationary coherent effects is developed for
superconductor-normal-superconductor (SNS) structures with
relatively strong normal scattering on S/N interfaces (interface
resistance is large compared to intrinsic resistance of N metal).
Analytical expressions are found for the time-dependent anomalous
Green functions induced in the N region under the
fixed-voltage-bias. The amplitude of the current oscillations is
determined in
non-equilibrium conditions.
Non-stationary correction to the distribution function is calculated
in high-temperature limit and found to be slowly decreasing with the
temperature, leading to the dominance of the second-harmonic term in
the Josephson current, at high
temperatures and low voltage.
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