Statistical properties of particle diffusion in molten AgI and Lennard–Jones liquid in a mesoscopic time regime

Kazuhiro Itagaki, Masaki Goda and Hiroaki Yamada

Physica A: Statistical Mechanics and its Applications, 1999, vol. 265, issue 1, 97-110

Abstract: A distribution law of classical particle-diffusion toward that of the Gaussian process is extensively studied for molten AgI and Lennard–Jones liquid (liquid Ar) by molecular dynamics simulation. In a time scale of the order from 1ps to 100ps, a generalized spatio-temporal distribution law of the particle displacement, P(r,t)/P(0,t)=exp(−arβ/tα)(0<α⩽1,0<β⩽2), is confirmed to exist over a wide temperature range around and above the melting point.

Keywords: Gaussian; Diffusion; Distribution; Mesoscopic (search for similar items in EconPapers)
Date: 1999
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:265:y:1999:i:1:p:97-110

DOI: 10.1016/S0378-4371(98)00554-8

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