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The Knight shift Kₛ and nuclear spin-relaxation time T₁ have been calculated in liquid Mg using the pseudopotential theory. The results of this calculation show that both Kₛ and T₁T are independent of temperature T within the error in our calculation. The calculated value of Kₛ at the melting temperature (651 ^∘{} C) is (0.10 ±{} 0.005)% which compares well with the recent experimental measurement (0.112 ±{} 0.004)% made between - 196 and 230 ^∘{} C. From this evidence, it can be concluded that there is no significant change of Kₛ upon melting, contrary to what has been observed in Cd. The theoretical value of the Korringa ratio, (Kₛ²T₁T)ₜₕₑₒᵣ(Kₛ²T₁T)ideal, departs from its ideal value of unity by about 17%. This departure is attributed to the different role of exchange enhancement on the uniform and nonuniform spin paramagnetic susceptibilities.
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Jena et al. (1971) studied this question.
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