Polymer in wedge-shaped confinement: Effect on the θ temperature

Sanjay Kumar, Keerti Chauhan, Sadhana Singh, Damien Foster

    Research output: Contribution to journalArticlepeer-review


    The equilibrium properties of a finite-length linear polymer chain confined in an infinite wedge composed of two perfectly reflecting hard walls meeting at a variable apex angle (α) are presented. One end of the polymer is anchored a distance y from the apex on the conical axis of symmetry, while the other end is free. We report here, the nonmonotonic behavior of θ temperature as a function of y for a finite-length chain. Data collapse for different chain lengths indicates that such behavior will exist for all finite lengths. We delineate the origin of such nonmonotonic behavior, which may have potential applications in understanding the cellular process occurring in nanoconfined geometries.

    Original languageEnglish
    Number of pages5
    JournalPhysical Review E
    Issue number3
    Publication statusPublished - 20 Mar 2020


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