Mitrovic, V F , Bachman, H N , Halperin, W P , Eschrig, Matthias, Sauls, J A , Reyes, A P , Kuhns, P and Moulton, W G (1999) Superconducting fluctuation effects on the spin-lattice relaxation rate in YBa2Cu3O6.95. Physical Review Letters, 82 (13).
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We report 63Cu(2) spin-lattice relaxation rate measurements of YBa2Cu3O6.95 in magnetic fields from 2.1 to 27.3 T obtained from 17O(2,3) nuclear magnetic resonance spin-spin relaxation. For T < 120 K, 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. [S0031-9007(99)08771-2].
This is a Submitted version This version's date is: 29/3/1999 This item is not peer reviewed
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