Wang–Landau approach to the simulation of water clusters

Junqi Yin, David P. Landau

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The Wang–Landau Monte Carlo method [Wang FG, Landau DP. Efficient, multiple-range random walk algorithm to calculate the density of states. Phys Rev Lett. 2001;86:2050-2053; Determining the density of states for classical statistical models: a random walk algorithm to produce a flat histogram. Phys Rev E. 2001;64:056101] has been established as an effective computational approach for studying complex systems. In this paper, we review the properties of 6 popular empirical water potentials, including a recently proposed explicit 3-body potential, obtained by applying the Wang–Landau method to the simulation of water clusters. Comparing to numerous classical and first principle calculations, we show that several classical water models can provide a consistent description of the structural and thermodynamical properties of water clusters partially in agreement of ab initio results, although they were designed to reproduce macroscopic properties of water at ambient conditions.

Original languageEnglish
Pages (from-to)241-248
Number of pages8
JournalMolecular Simulation
Volume45
Issue number4-5
DOIs
StatePublished - Mar 24 2019

Funding

This research used resources of Oak Ridge National Laboratory’s Compute and Data Environment for Science (CADES) and the Oak Ridge Leadership Computing Facility, which is supported by the Office of Science of the US Department of Energy under Contract No. DE-AC05-00OR22725. This research used resources of Oak Ridge National Laboratory's Compute and Data Environment for Science (CADES) and the Oak Ridge Leadership Computing Facility, which is supported by the Office of Science of the US Department of Energy under Contract No. DE-AC05-00OR22725.

FundersFunder number
Data Environment for Science
US Department of EnergyDE-AC05-00OR22725
Office of Science
Cades Foundation

    Keywords

    • Wang–Landau method
    • ground state structure
    • phase transition
    • water cluster

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