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

Sanjay Kumar, Keerti Chuhan, Sadhana Singh, Damien Foster

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Abstract

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
Article number030502
Number of pages5
JournalPhysical Review E
Volume101
Issue number3
DOIs
Publication statusPublished - 20 Mar 2020

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ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

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