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This comment aims to clarify inaccuracies in the reported pair potentials of the Farid local-field correction function.

April 3, 2026Open Access

Comment on "Atomic transport coefficients of liquid 3d transition metals: insights from local field corrections" Appl. Phys. A 131, 828 (2025)

Key Points

This comment aims to clarify inaccuracies in the reported pair potentials of the Farid local-field correction function.
Analysis of the Farid local-field correction function (LFCF)
Identification of errors due to bracket misplacement
Comparison with Ichimaru–Utsumi LFCFs
Error in pair potentials due to the bracket misplacement was identified.
After correction, Farid and Ichimaru–Utsumi LFCFs yield nearly identical pair potentials.

Abstract

This is a comment on Romman et al. Appl. Phys. A 131, 828 (2025). We show that the anomalously deep pair-potential wells reported for the Farid local-field correction function are artifacts of a bracket misplacement in the coefficient formula. When correctly implemented, the Farid and Ichimaru–Utsumi LFCFs yield nearly identical pair potentials.

Comment on "Atomic transport coefficients of liquid 3d transition metals: insights from local field corrections" Appl. Phys. A 131, 828 (2025)

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Abstract

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