Transverse magnetization study of the pairing state of the high-Tc superconductor LuBa2Cu3O7−δ
J. Buan, Branko P. Stojkovic, N. E. Israeloff, A. M. Goldman, C. C. Huang, Oriol T. Valls, J. Z. Liu, Robert Shelton
DOI 10.1103/PhysRevLett.72.2632 · Physical Review Letters
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Abstract
The angular dependence of the in-plane transverse magnetization of an untwinned single crystal of LuBa2Cu3O7−δ has been studied in the Meissner state as a function of temperature and magnetic field. The amplitude of the Fourier component of the signal with angular period π/2 has been found to be smaller than the theoretical prediction for a d-wave pairing state. The results are consistent with isotropic pairing, but they do not rule out nodeless anisotropic pairing states.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| LuBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 90 | Pressure not reported | onset |
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