Self-consistent study of the Josephson effect for the d-wave superconductor-insulator-superconductor junction
Weiyi Zhang
DOI 10.1103/PhysRevB.52.12538 · Physical Review B
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Abstract
Quasiclassical theory has been used to study the Josephson effect for the junction consisting of high-Tc superconductor, insulator layer, and high-Tc superconductor. Our result shows that for the d-wave pairing state and certain crystal orientations of the two superconductors, the current phase relation has the form I(φ)=Icsin(2φ). Thus, the main Shapino step and Fraunhof diffraction pattern have the forms V=hν/4e and Imax(Φ)=Ic‖sin(2πΦ/Φ0)/(2πΦ/Φ0)‖, respectively. We have compared our result with those of other types of Josephson junctions and discussed the implication of this property in identifying the pairing state symmetry of the high-Tc superconductors.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O7 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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