Abstract
We considered a two-dimensional system consisting of 529 molecules, interacting with each other via the full Lennard-Jones potential. Using a constant NVT molecular dynamics simulation method, we studied the behavior of this system and analyzed the cluster growth process near the critical point. We considered several data sets near the critical point. By analyzing the cluster formation, we obtained a power law-like behavior for N s (t) , the number of clusters, and S(t) , the average number of molecules in a cluster with respect to time. We also carried out a steady-state analysis. Starting the molecular dynamics simulation in the canonical ensemble, after about 150 ps we changed the ensemble to microcanonical for another approximately 300 ps. We calculated the following static properties: isometric heat capacity, isothermal and adiabatic compressibilities.
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