Globular state of branched random heteropolymers

A. M. Gutin, A. Y. Grosberg, E. I. Shakhnovich

    Research output: Contribution to journalArticlepeer-review


    The globular state of a randomly branched disordered heteropolymer-the simplest model of RNA with given secondary structure-is investigated using the replica approach in the mean-field approximation. It is shown that for dimensions of space less than four there is replica-symmetry breaking with power behaviour of the Parisi order parameter. The scale of fluctuations of links decreases when heterogeneity of interaction in the molecule increases.

    Original languageEnglish (US)
    Article number023
    Pages (from-to)1037-1049
    Number of pages13
    JournalJournal of Physics A: Mathematical and General
    Issue number5
    StatePublished - 1993

    ASJC Scopus subject areas

    • Statistical and Nonlinear Physics
    • Mathematical Physics
    • General Physics and Astronomy


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