A heuristic rule for classification of classical fluids: Master curves for Mie, Yukawa and square-well potentials

Pedro Orea, Szabolcs Varga, Gerardo Odriozola

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

A shift of the vapor-liquid coexistence curves by the critical value of the reduced second virial coefficient yields striking data collapses to define master curves. This is observed for the Mie, Yukawa and square-well fluids of different attractive ranges. This modification of the extended corresponding-states law of Noro and Frenkel strongly improves the outcomes from the van der Waals principle. Moreover, this shifted extended principle makes the master curves from Mie and Yukawa potentials to be one on top of the other. The square-well potential forms two well defined master curves, each one corresponding to different effective critical exponents.

Original languageEnglish
Pages (from-to)26-29
Number of pages4
JournalChemical Physics Letters
Volume631-632
DOIs
Publication statusPublished - May 16 2015

ASJC Scopus subject areas

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

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