Effect of superconductive fluctuations on nuclear magnetic relaxation in high-Tc superconductors
M. Crisan
DOI 10.1103/PhysRevB.49.9874 · Physical Review B
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Abstract
We calculate the effects of the energy density of states due to superconductive fluctuation on the nuclear relaxation rate in the dirty high-temperature superconductors. We show that the correction to the Korringa law has an order of (EFτ)−3/2 for a three-dimensional (3D) superconductor and for a realistic parameter is very small. In the case of a 2D superconductor the correction to the Korringa law has the order of (EFτ)−1 and may become important for EFτ∼1.
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