Emergence of foams from the breakdown of the phase field crystal model

Nicholas Guttenberg, Nigel Goldenfeld, Jonathan Dantzig

Research output: Contribution to journalArticlepeer-review

Abstract

The phase field crystal (PFC) model captures the elastic and topological properties of crystals with a single scalar field at small undercooling. At large undercooling, new foamlike behavior emerges. We characterize this foam phase of the PFC equation and propose a modified PFC equation that may be used for the simulation of foam dynamics. This minimal model reproduces von Neumann's rule for two-dimensional dry foams and Lifshitz-Slyozov coarsening for wet foams. We also measure the coordination number distribution and find that its second moment is larger than previously reported experimental and theoretical studies of soap froths, a finding that we attribute to the wetness of the foam increasing with time.

Original languageEnglish (US)
Article number065301
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume81
Issue number6
DOIs
StatePublished - Jun 9 2010

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

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