Partition function, metastability, and kinetics of the escape transition for an ideal chain

L.I. Klushin, A.M. Skvortsov, F.A.M. Leermakers

    Research output: Contribution to journalArticleAcademicpeer-review

    24 Citations (Scopus)

    Abstract

    The exact partition of the gaussian chain squeezed between two cylinders for a phase transition in a single macromolecule is analyzed. The polymer chain is squeezed between two pistons which results in abrupt transition from a confined coil state to an inhomogeneous conformation. The landau free energy is used in a one dimensional fokker-plank equation to predict the life-time of the metastable states. The analysis shows that the mean first passage time is estimated on the basis of the fokker-planck formalism.
    Original languageEnglish
    Pages (from-to)61101-1-61101-15
    JournalPhysical Review. E, Statistical nonlinear, and soft matter physics
    Volume69
    Issue number6,1
    DOIs
    Publication statusPublished - 2004

    Keywords

    • atomic-force microscopy
    • polymer-chain
    • surface interactions
    • rolling transition
    • gaussian chain
    • afm tip
    • spectroscopy
    • compression
    • mushrooms
    • laws

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