具有软相互作用的流体热传导振动模型
Vibrational model of thermal conduction for fluids with soft interactions
摘要：
本文讨论了具有软原子间相互作用的简单液体的振动传热模型。推导出一个一般表达式，其中涉及液体集体模激发光谱的平均。该模型被应用到量化在稠密的Lennard-Jones液体和强耦合的单组分等离子体的传热。显着的协议与现有的数值结果记录。类似的情况不适用于液体的动量传递和剪切粘度。
英文摘要：
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.
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