Thermally activated diffusion along one-dimensional chains with energetic disorder: Analysis of computer simulation data

Yuri A. Berlin*, Laurens D A Siebbeles, Anatoly A. Zharikov

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Recent results on the computer simulations of thermally activated diffusion along one-dimensional chains with energetic disorder are analyzed theoretically. The analysis has enabled us to assign the numerical data to the particular stage of the diffusion process and to approximate the temporal behavior of the mean-square displacement during this stage by a simple analytical expression. Our results suggest a universal time-dependence of the relative diffusion coefficient at very low temperatures and provide the explicit form of this dependence for a wide class of distributions used for the description of energetic disorder.

Original languageEnglish (US)
Pages (from-to)361-370
Number of pages10
JournalChemical Physics Letters
Volume276
Issue number5-6
DOIs
StatePublished - Sep 26 1997

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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