Unexpected scenario of glass transition in polymer globules: An exactly enumerable model

Rose Du, Alexander Yu Grosberg, Toyoichi Tanaka, Michael Rubinstein

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We introduce a lattice model of glass transition in polymer globules. This model exhibits ergodicity breaking in which the disjoint regions of phase space do not arise uniformly, but as small chambers whose number increases exponentially with polymer density. Chamber sizes obey power law distribution, making phase space similar to a fractal foam. This clearly demonstrates the importance of the phase space geometry and topology in describing any glass-forming system, such as semicompact polymers during protein folding.

    Original languageEnglish (US)
    Pages (from-to)2417-2420
    Number of pages4
    JournalPhysical Review Letters
    Volume84
    Issue number11
    DOIs
    StatePublished - 2000

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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