Lattice model for parallel and orthogonal β sheets using hydrogenlike bonding

J. Krawczyk, A. L. Owczarek, T. Prellberg, and A. Rechnitzer
Phys. Rev. E 76, 051904 – Published 6 November 2007

Abstract

We present results for a lattice model of polymers where the type of β sheet formation can be controlled by different types of hydrogen bonds depending on the relative orientation of close segments of the polymer. Tuning these different interaction strengths leads to low-temperature structures with different types of orientational order. We perform simulations of this model and so present the phase diagram, ascertaining the nature of the phases and the order of the transitions between these phases.

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  • Received 12 June 2007

DOI:https://doi.org/10.1103/PhysRevE.76.051904

©2007 American Physical Society

Authors & Affiliations

J. Krawczyk1,*, A. L. Owczarek1,†, T. Prellberg2,‡, and A. Rechnitzer3,§

  • 1Department of Mathematics and Statistics, The University of Melbourne, 3010, Australia
  • 2School of Mathematical Sciences, Queen Mary, University of London, Mile End Road, London E1 4NS, United Kingdom
  • 3Department of Mathematics, University of British Columbia, Vancouver, BC V6T 1Z2, Canada

  • *j.krawczyk@ms.unimelb.edu.au
  • a.owczarek@ms.unimelb.edu.au
  • t.prellberg@qmul.ac.uk
  • §andrewr@math.ubc.ca

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Issue

Vol. 76, Iss. 5 — November 2007

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