Abstract
A vibrational model of heat transfer in simple liquids with soft pairwise interatomic interactions is discussed. A general expression is derived, which involves an averaging over the liquid collective mode excitation spectrum. The model is applied to quantify heat transfer in a dense Lennard-Jones liquid and a strongly coupled one-component plasma. Remarkable agreement with the available numerical results is documented. A similar picture does not apply to the momentum transfer and shear viscosity of liquids.
- Received 8 August 2020
- Revised 16 November 2020
- Accepted 22 December 2020
DOI:https://doi.org/10.1103/PhysRevE.103.013207
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