Anomalous Josephson Effect between Even-and Odd-Frequency Superconductors

Yukio Tanaka, Alexandre Avraamovitch Golubov, Satoshi Kashiwaya, Masahito Ueda

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Abstract

We demonstrate that, contrary to standard wisdom, the lowest-order Josephson coupling is possible between odd- and even-frequency superconductors. The origin of this effect is the induced odd- (even-)frequency pairing component at the interface of bulk even- (odd-)frequency superconductors. The resulting current-phase relation is found to be proportional to cosphi, where phi is the macroscopic phase difference between the two superconductors.
Original languageUndefined
Pages (from-to)037005-
JournalPhysical review letters
Volume99
Issue number3
DOIs
Publication statusPublished - 2007

Keywords

  • IR-59156
  • METIS-242659

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