Equation of state of the rigid disk fluid from its triangle distribution

Frank H. Stillinger, Dorothea K. Stillinger, Salvatore Torquato, Thomas M. Truskett, Pablo G. Debenedetti

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

The distribution factor f(3) for triplets of mutual nearest neighbors offers a description of local order. A self-consistent theory for f(3) for classical rigid disk model is proposed. Numerical analysis of the coupled integral equations yields prediction for pressure and boundary tension. The approximation used constrains the disk system to remain in the fluid phase at all densities. The pressure and the boundary tension agree with the corresponding predictions of the two-dimensional scaled particle theory.

Original languageEnglish (US)
Pages (from-to)10186-10190
Number of pages5
JournalJournal of Chemical Physics
Volume113
Issue number22
DOIs
StatePublished - Dec 8 2000

All Science Journal Classification (ASJC) codes

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

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