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Diffusion Time-Scale Invariance, Markovization Processes and Memory Effects in Lennard-Jones Liquids

Authors
  • Yulmetyev, Renat M.
  • Mokshin, Anatolii V.
  • Hänggi, Peter
Type
Published Article
Publication Date
Jan 20, 2004
Submission Date
Jan 18, 2004
Identifiers
DOI: 10.1103/PhysRevE.68.051201
arXiv ID: cond-mat/0401314
Source
arXiv
License
Unknown
External links

Abstract

We report the results of calculation of diffusion coefficients for Lennard-Jones liquids, based on the idea of time-scale invariance of relaxation processes in liquids. The results were compared with the molecular dynamics data for Lennard-Jones system and a good agreement of our theory with these data over a wide range of densities and temperatures was obtained. By calculations of the non-Markovity parameter we have estimated numerically statistical memory effects of diffusion in detail.

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