Langevin dynamics simulations of phase separation in a one-component system |
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Authors: | M Schöbinger S W Koch Farid F Abraham |
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Institution: | (1) Institut für Theoretische Physik, Universität Frankfurt, Robert-Mayer-Str. 8, D-6000 Frankfurt-Main, Germany;(2) IBM Almaden Research Center K33/801, 650 Harry Road, 95120-6099 San Jose, California |
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Abstract: | Langevin dynamics computer simulations have been performed for a two-dimensional Lennard-Jones fluid quenched into the coexistence region of its liquid-vapor phase diagram. For late stages of the phase-separation process, the average radius of the liquid clusters is found to grow proportional to (time)1/4. This growth law is analyzed theoretically and compared to recent molecular dynamics and Monte Carlo results. Details of the different simulation methods are critically discussed. |
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Keywords: | Phase separation Lennard-Jones system dynamic scaling computer simulation techniques Langevin dynamics |
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