Statistical Mechanics of Vulcanisation and the Spontaneous Emergence of Static-Density Fluctuations

A. Zippelius, P. M. Goldbart, N. Goldenfeld

Research output: Contribution to journalArticlepeer-review

Abstract

We present a statistical-mechanical analysis of a system of randomly cross-linked macromolecules, focusing on the emergence of random static-density fluctuations as thesolidification transition is approached. In mean-field theory the problem can be formulated interms of a single macromolecule in an effective random potential. The distribution of the randompotential, which must be calculated self-consistently, determines all moments of the static-density fluctuations. We find that the solidification transition occurs when an infinite network ofcross-linked macromolecules is formed, and that a sequence of nonlinear density responsefunctions diverges simultaneously at this transition.

Original languageEnglish (US)
Pages (from-to)451-456
Number of pages6
JournalEPL
Volume23
Issue number6
DOIs
StatePublished - Aug 20 1993

ASJC Scopus subject areas

  • General Physics and Astronomy

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