Abstract
We have been analyzed heat conductivity of two-dimensional (2D) strongly-coupled complex (dusty) plasma liquids (SCCDPLs), regarding them as systems composed of charged dust particles with hard cores interacting through the repulsive Yukawa potential contribution taking into account, for the first time. In this paper, homogenous nonequilibrium molecular dynamics (HNEMD) simulation has been conducted for 2D SCCDPL systems under near-equilibrium external force field strength (Fex). The new improved HNEMD algorithm is found to have more comparable performance with the earlier equilibrium molecular dynamics (EMD) than that of earlier Inhomogenous nonequilibrium molecular dynamics (InHNEMD) for 2D Yukawa Liquid systems. Different sequence of the thermal conductivity (λ0) corresponding to a decreasing and increasing sequence of applied external field force strength (Fex) has been checked in order to determine near-equilibrium λ0 in linear regime of the SCCDPLs. The New simulation results computed with fixed external field strengths are in practical agreement with earlier experimental and numerical data points within less than ±15% for most of the present data point. It was shown that the HNEMD algorithm was a powerful tool for computing and exploring the behavior of λ0 of SCCDPLs for the complete range of plasma states (Γ, κ) than those calculated in previous works, based on different numerical methods.
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