Renormalization group analysis of relaxational dynamics in systems with many-component order-parameter II - Scaling fields and scaling variables

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A general discussion of scaling fields and scaling variables in the dynamic renormalization group is given using path probability formalism. It is shown that scaling variables are the derivatives of the action with respect to scaling fields. The general ideas are illustrated on the multicomponent relaxational model in the large-n limit, where scaling fields and scaling variables are calculated explicitly and flow lines, crossover and universality are discussed. Critical points of higher order are also included in the investigation.

Original languageEnglish
Pages (from-to)249-260
Number of pages12
JournalZeitschrift für Physik B Condensed Matter
Issue number3
Publication statusPublished - Sep 1980


ASJC Scopus subject areas

  • Condensed Matter Physics

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