Superconducting Fluctuation Effects on the Spin-Lattice Relaxation Rate in YBa2Cu3O6.95
V. F. Mitrović, H. N. Bachman, W. P. Halperin, M. Eschrig, J. A. Sauls, A. P. Reyes, P. Kuhns, W. G. Moulton
DOI 10.1103/PhysRevLett.82.2784 · Physical Review Letters
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Abstract
We report 63Cu2 spin-lattice relaxation rate measurements of YBa2Cu3O6.95 in magnetic fields from 2.1 to 27.3 T obtained from 17O2,3 nuclear magnetic resonance spin-spin relaxation. For T<120K, the spin-lattice rate increases with increasing magnetic field. We identify this magnetic field dependence with the change in the low-energy spectral weight originating from d-wave pairing fluctuation corrections to the density of states.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O6.95 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 92.5 | Pressure not reported | onset |
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