The scaling behaviour of screened polyelectrolytes

T. B. Liverpool*, M. Stapper

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

27 Citations (Scopus)


We present a field-theoretic renorrnalization group (RG) analysis of a single flexible, screened polyelectrolyte chain (a Debye-Hückel chain) in a polar solvent. We point out that the Debye-Hückel chain may be mapped onto a local field theory which has the same fixed point as a generalised n → 1 Potts model. Systematic analysis of the field theory shows that the system is one with two interplaying length scales requiring the calculation of scaling functions as well as exponents to fully describe its physical behaviour. To illustrate this, we solve the RG equation and explicitly calculate the exponents and the mean end-to-end length of the chain.

Original languageEnglish
Pages (from-to)485-490
Number of pages6
Issue number5
Publication statusPublished - 1 Dec 1997


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