Monte Carlo simulation of supercooled liquids using a self-consistent local temperature

Ralph Chamberlin, Kurt J. Stangel

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

We combine Creutz energy conservation with Kawasaki spin exchange to simulate the microcanonical dynamics of a system of interacting particles. Relaxation occurs via Glauber spin-flip activation using a self-consistent temperature. Heterogeneity in the dynamics comes from finite-size constraints on the spin exchange that yield a distribution of correlated regions. The simulation produces a high-frequency response that can be identified with the boson peak, and a lower-frequency peak that contains non-Debye relaxation and non-Arrhenius activation, similar to the primary response of supercooled liquids.

Original languageEnglish (US)
Pages (from-to)400-404
Number of pages5
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume350
Issue number5-6
DOIs
StatePublished - Feb 13 2006

Keywords

  • Microcanonical ensemble
  • Monte Carlo simulation
  • Nanothermodynamics
  • Supercooled liquids

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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