On the Lowest Energy Nucleation Path in a Supersaturated Lattice Gas

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

A lattice gas with non-conserved spin flip dynamics (of both non-Glauber and Glauber types) is considered at T ≪ T c, the critical temperature. For arbitrary supersaturation, S, a general expression for the inverse of the nucleation rate along the lowest energy path is derived. The exponential part is identical to the one by Neves and Schonmann [Commun. Math. Phys. 137:20 (1991)]. The preexponential can be expressed in terms of elliptic theta-functions for small S, and in the limits, respectively, of S ≫ T/φ or S ≪ T/φ (-φ being the nearest-neighbor interaction energy), elementary versions of the general expression are further obtained. The preexponential has a smooth component, as well as small-scale modulations which are approximately periodic in the inverse supersaturation. For S ≪ T/φ, the smooth part is proportional to √S, in contrast to the zero-T limit where it is linear in S. The latter limit becomes apparent only at extremely low temperatures which are cubic in S.

Original languageEnglish (US)
Pages (from-to)293-318
Number of pages26
JournalJournal of Statistical Physics
Volume112
Issue number1-2
DOIs
StatePublished - Jul 1 2003

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics

Keywords

  • Glauber dynamics
  • Lattice gas
  • Nucleation
  • Preexponential

Fingerprint Dive into the research topics of 'On the Lowest Energy Nucleation Path in a Supersaturated Lattice Gas'. Together they form a unique fingerprint.

Cite this