A perturbation formulation is developed for the calculation of spin densities in liquid metals using nonlocal pseudopotentials. Specific application is made to liquid cadmium using experimental interference function data. The results explain the observed temperature independence of the Knight shift and nuclear-spin lattice relaxation time and provide empirical exchange-enhancement factors for these properties. A comparison is made with prediction of current exchange-enhancement theories and suggestions are made for improvement of the agreement between theoretical and experimental Knight shifts and relaxation times.
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Jena et al. (1971) studied this question.
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