The authors apologize for the error in the following information published for this article.

To have a dimensionless δ parameter (Table I and Fig. 4) in our calculations, we used not just the thermal expansion coefficient (α_l) but the slope of the liquid metal’s curve, which is α_l * ρ_l = dρ_l/dT, instead of α_l; that is, the following formulas in p. 1381 must be:

and

In Table I, the α_l value actually means α_l ∗ ρ_l in Mg/m³⋅K. The data are correct while the column caption α_l is wrong. It should be α_l ∗ ρ_l (Mg/m³⋅K).

(Symbol ∗ in the formulas denotes multiplication).