Distribution function and thermodynamic potentials of a self-avoiding chain

Aleksey D. Drozdov

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

An explicit expression is derived for the distribution function of end-to-end vectors for a flexible self-avoiding chain. Based on this relation, analytical formulas are developed for the free and internal energies of a chain with excluded-volume interactions. Force-stretch relations are obtained at uniaxial tension and compression. The effects of strength of segment interactions on the shapes of the distribution function and the force-displacement diagram, as well as on the mean-square end-to-end distance and stiffness of a chain are studied numerically.

Original languageEnglish
Pages (from-to)404-424
Number of pages21
JournalMacromolecular Theory and Simulations
Volume15
Issue number5
DOIs
StatePublished - 9 Jun 2006

Keywords

  • Chain
  • Mechanical properties
  • Statistical mechanics: stiffness

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