Josephson current in s-wave-superconductor/Sr2RuO4 junctions
Yasuhiro Asano, Yukio Tanaka, Manfred Sigrist, Satoshi Kashiwaya
DOI 10.1103/PhysRevB.67.184505 · Physical Review B
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Abstract
The Josephson current between an s-wave and a spin-triplet superconductor Sr2RuO4 (SRO) is studied theoretically. In spin-singlet/spin-triplet superconductor junctions, there is no Josephson current proportional to sinφ in the absence of the spin-flip scattering near junction interfaces, where φ is a phase difference across junctions. Thus, a dominant term of the Josephson current is proportional to sin2φ. The spin-orbit scattering at the interfaces gives rise to the Josephson current proportional to cosφ, which is a direct consequence of the chiral paring symmetry in SRO.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Sr2RuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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