Abstract
The second harmonic in the dependence of a superconducting current on the phase difference of superconducting wave functions of the electrodes was observed experimentally in Nb/Au/(001)YBa2Cu3Ox heterojunctions. Possible reasons for its appearance were discussed within the framework of a mixed (d±s) symmetry order parameter of YBa2Cu3Ox.
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Translated from Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 73, No. 7, 2001, pp. 405–409.
Original Russian Text Copyright © 2001 by Komissinski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \), Ovsyannikov, Il’ichev, Ivanov.
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Komissinskii, P.V., Ovsyannikov, G.A., Il’ichev, E. et al. Observation of the second harmonic in the phase dependence of a superconducting current in Nb/Au/YBCO heterojunctions. Jetp Lett. 73, 361–365 (2001). https://doi.org/10.1134/1.1378120
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DOI: https://doi.org/10.1134/1.1378120