Dynamics of Josephson tunnel junctions with a finite-width Riedel peak

Dynamics of Josephson tunnel junctions with a finite-width Riedel peak

The basic properties of high-current-density Josephson tunnel junctions are calculated from the microscopic theory taking into account a finite width 2δ of the Riedel peak. The calculated I-V curves for the finite values of the normalized capacitance β c , the Riedel peak halfwidth δ, and the parame...

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Veröffentlicht in:IEEE transactions on magnetics 1983-05, Vol.19 (3), p.629-632
Hauptverfasser: Zorin, A., Likharev, K., Turovets, S.
Format: Artikel
Sprache:eng
Schlagworte:
Capacitance
Electrodes
Fluctuations
Frequency
Hysteresis
Microscopy
Physics
Shape
Tunneling
Voltage
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creator Zorin, A.
Likharev, K.
Turovets, S.
description The basic properties of high-current-density Josephson tunnel junctions are calculated from the microscopic theory taking into account a finite width 2δ of the Riedel peak. The calculated I-V curves for the finite values of the normalized capacitance β c , the Riedel peak halfwidth δ, and the parameter α of pair current suppression are in good agreement with published experimental results for the high-current-density tunnel junctions Pb(In)-oxide-Pb. The hysteresis parameter I R /I c calculated from the microscopic theory as a function of the normalized capacitance β c is compared with the dependence following from the RSJ and the RSJN models. In addition, the low-frequency spectral density S v (0) of the voltage fluctuations across the junction is numerically found and compared with that following from the simple shot-noise model.
doi_str_mv 10.1109/TMAG.1983.1062475
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subjects Capacitance
Electrodes
Fluctuations
Frequency
Hysteresis
Microscopy
Physics
Shape
Tunneling
Voltage
title Dynamics of Josephson tunnel junctions with a finite-width Riedel peak
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