Anomalous Josephson Effect between Even- and Odd-Frequency Superconductors

Yukio Tanaka; Alexander A. Golubov; Satoshi Kashiwaya; Masahito Ueda

doi:10.1103/PhysRevLett.99.037005

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Anomalous Josephson Effect between Even- and Odd-Frequency Superconductors

Yukio Tanaka, Alexander A. Golubov, Satoshi Kashiwaya, Masahito Ueda

DOI 10.1103/PhysRevLett.99.037005 · Physical Review Letters

T1

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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 cosφ, where φ is the macroscopic phase difference between the two superconductors.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
CeCu2Si2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
CeRhIn5 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown