Abstract
The relaxation timesT 1 andT 2 for nuclear spins interacting with the conduction electrons of disordered metals are calculated. An explicite expression for Warren's relaxation enhancement in terms of electron spectra is obtained, showing in particular that the proportionality ofT 1 and the conductivity is a universal feature of high resistivity conductors. A formula for an inhomogeneous line width contribution due to disorder induced static Knight shift fluctuations is found. Two dimensional electron spin diffusion is shown to imply various logarithmic line width corrections.
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Götze, W., Ketterle, W. Nuclear spin relaxation in disordered conductors. Z. Physik B - Condensed Matter 54, 49–57 (1983). https://doi.org/10.1007/BF01507949
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DOI: https://doi.org/10.1007/BF01507949