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Publication Detail
Effects of rotational symmetry breaking in polymer-coated nanopores
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Journal Article
  • Authors:
    Osmanović D, Kerr-Winter M, Eccleston RC, Hoogenboom BW, Ford IJ
  • Publication date:
  • Journal:
    Journal of Chemical Physics
  • Volume:
  • Issue:
  • Status:
  • Print ISSN:
© 2015 AIP Publishing LLC.The statistical theory of polymers tethered around the inner surface of a cylindrical channel has traditionally employed the assumption that the equilibrium density of the polymers is independent of the azimuthal coordinate. However, simulations have shown that this rotational symmetry can be broken when there are attractive interactions between the polymers. We investigate the phases that emerge in these circumstances, and we quantify the effect of the symmetry assumption on the phase behavior of the system. In the absence of this assumption, one can observe large differences in the equilibrium densities between the rotationally symmetric case and the non-rotationally symmetric case. A simple analytical model is developed that illustrates the driving thermodynamic forces responsible for this symmetry breaking. Our results have implications for the current understanding of the behavior of polymers in cylindrical nanopores.
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