Free energy of a planar two-phase interface

J. K. Percus

Research output: Contribution to journalArticlepeer-review

Abstract

The linear liquid-gas interface of a two-dimensional fluid is modeled by a membrane separating vacuum and incompressible liquid. The density reaction to an arbitrary external potential is written down exactly in the form of the inverse relation. From this, the system free energy is obtained as a functional of the resulting density. It is local, but highly singular, and cannot readily be interpreted as an extension of local thermodynamics.

Original languageEnglish (US)
Pages (from-to)452-454
Number of pages3
JournalThe Journal of Chemical Physics
Volume81
Issue number1
DOIs
StatePublished - 1984

ASJC Scopus subject areas

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

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