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POTENTIAL ENERGY AS A PLUCKING CRITERION FOR LIQUID CLUSTER SIMULATIONS
https://doi.org/10.1142/S0129183108012133Cited by:3 (Source: Crossref)
Abstract
We have investigated the liquid state of atomic clusters interacting through a classical pair-wise Lennard–Jones 6–12 potential, using constant energy molecular dynamics simulations. For larger clusters (N ≳ 500–600 atoms) desorption events are frequent and a cluster in the liquid state eventually always converts to a solid state. To study the cluster as it cools, one must isolate the central cluster from the desorbed atoms. In this paper, we investigate using the atomic potential energy as a very simple criterion for removing desorbed atoms from the simulation, and examine the spatial profile of atomic potential energy in various size liquid and solid clusters.
PACS: 36.40.Ei, 61.20.Ja, 02.70.Ns
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