Dynamics and structure of gas-liquid interface

Fumiko Ogushi, Satoshi Yukawa, Nobuyasu Ito

    Research output: Contribution to journalArticle

    Abstract

    The structure and the dynamics of the gas-liquid phase interface of the three-dimensional Lennard-Jones (12-6) particle system are studied using nonequilibrium molecular dynamics simulation. Heat flux maintains the system into a gas-liquid coexisting state with a steady interface. In the steady state, the interface shows an asymmetric structure and this is well described by a free energy density model with an asymmetric double-well form. When the system approaches to the steady state, a gas of the temperature profile appears between each phase and the gap value is relaxed to that in the steady state following 1/√t for large t. It is observed that heat resistance exists in gas-liquid interface in this scale.

    Original languageEnglish
    Pages (from-to)4030-4034
    Number of pages5
    JournalInternational Journal of Modern Physics B
    Volume21
    Issue number23-24
    DOIs
    Publication statusPublished - 2007 Sep 30

    Keywords

    • Dynamics
    • Heat conduction
    • Lennard-Jones
    • Phase interface
    • Structure

    ASJC Scopus subject areas

    • Statistical and Nonlinear Physics
    • Condensed Matter Physics

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