Model for density variation at a fluid surface

J. K. Percus

Research output: Contribution to journalArticle

Abstract

A fluid model with freely propagating longitudinal density waves is modified by the imposition of an external field. A relation between the resulting density inhomogeneity and the applied potential is obtained, depending only upon the uniform fluid pair distribution function. This is solved for a container-bounded fluid. The resulting surface density profiles for classical and zero-temperature Bose hard-sphere fluids compare very well with numerical experiments.

Original languageEnglish (US)
Pages (from-to)423-435
Number of pages13
JournalJournal of Statistical Physics
Volume15
Issue number5
DOIs
StatePublished - Nov 1976

Keywords

  • Fluid
  • density profile
  • nonuniform
  • surface

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Mathematical Physics

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