Order-parameter symmetries in high-temperature superconductors

R. A. Klemm; C. T. Rieck; K. Scharnberg

doi:10.1103/PhysRevB.61.5913

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Order-parameter symmetries in high-temperature superconductors

R. A. Klemm, C. T. Rieck, K. Scharnberg

DOI 10.1103/PhysRevB.61.5913 · Physical Review B

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Abstract

We present two representations of the order-parameter (OP) eigenfunctions for tetragonal cuprate superconductors, and for orthorhombic YBa2Cu3O7−δ and Bi2Sr2CaCu2O8+δ (BSCCO). Recent BSCCO c-axis twist Josephson junction experiments of Li et al. demonstrate that the tunneling is strongly incoherent, and that the OP contains an isotropic s-wave component, but not any dx2−y2-wave component. We propose a c-axis twist tetracrystal ring experiment.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
Bi2Sr2CaCu2O8+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
YBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
Bi2Sr2CaCu2O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown